855193404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 2277187584

約数和(自身を除く): 1421994180

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 61, 62, 78, 93, 122, 124, 156, 169, 183, 186, 223, 244, 338, 366, 372, 403, 446, 507, 669, 676, 732, 793, 806, 892, 1014, 1209, 1338, 1586, 1612, 1891, 2028, 2379, 2418, 2676, 2899, 3172, 3782, 4758, 4836, 5239, 5673, 5798, 6913, 7564, 8697, 9516, 10309, 10478, 11346, 11596, 13603, 13826, 15717, 17394, 20618, 20739, 20956, 22692, 24583, 27206, 27652, 30927, 31434, 34788, 37687, 40809, 41236, 41478, 49166, 54412, 61854, 62868, 73749, 75374, 81618, 82956, 89869, 98332, 113061, 123708, 147498, 150748, 163236, 176839, 179738, 226122, 269607, 294996, 319579, 353678, 359476, 421693, 452244, 530517, 539214, 639158, 707356, 843386, 958737, 1061034, 1078428, 1168297, 1265079, 1278316, 1686772, 1917474, 2122068, 2298907, 2336594, 2530158, 3504891, 3834948, 4597814, 4673188, 5060316, 5482009, 6896721, 7009782, 9195628, 10964018, 13793442, 14019564, 16446027, 21928036, 27586884, 32892054, 65784108, 71266117, 142532234, 213798351, 285064468, 427596702, 855193404]

約数ペア:

[(1, 855193404), (2, 427596702), (3, 285064468), (4, 213798351), (6, 142532234), (12, 71266117), (13, 65784108), (26, 32892054), (31, 27586884), (39, 21928036), (52, 16446027), (61, 14019564), (62, 13793442), (78, 10964018), (93, 9195628), (122, 7009782), (124, 6896721), (156, 5482009), (169, 5060316), (183, 4673188), (186, 4597814), (223, 3834948), (244, 3504891), (338, 2530158), (366, 2336594), (372, 2298907), (403, 2122068), (446, 1917474), (507, 1686772), (669, 1278316), (676, 1265079), (732, 1168297), (793, 1078428), (806, 1061034), (892, 958737), (1014, 843386), (1209, 707356), (1338, 639158), (1586, 539214), (1612, 530517), (1891, 452244), (2028, 421693), (2379, 359476), (2418, 353678), (2676, 319579), (2899, 294996), (3172, 269607), (3782, 226122), (4758, 179738), (4836, 176839), (5239, 163236), (5673, 150748), (5798, 147498), (6913, 123708), (7564, 113061), (8697, 98332), (9516, 89869), (10309, 82956), (10478, 81618), (11346, 75374), (11596, 73749), (13603, 62868), (13826, 61854), (15717, 54412), (17394, 49166), (20618, 41478), (20739, 41236), (20956, 40809), (22692, 37687), (24583, 34788), (27206, 31434), (27652, 30927)]