1286478858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 3139928064

約数和(自身を除く): 1853449206

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 53, 62, 93, 103, 106, 159, 181, 186, 206, 217, 309, 318, 362, 371, 434, 543, 618, 651, 721, 742, 1086, 1113, 1267, 1302, 1442, 1643, 2163, 2226, 2534, 3193, 3286, 3801, 4326, 4929, 5459, 5611, 6386, 7602, 9579, 9593, 9858, 10918, 11222, 11501, 16377, 16833, 18643, 19158, 19186, 22351, 23002, 28779, 32754, 33666, 34503, 37286, 38213, 39277, 44702, 55929, 57558, 67053, 67151, 69006, 76426, 78554, 111858, 114639, 117831, 130501, 134106, 134302, 169229, 201453, 229278, 235662, 261002, 297383, 338458, 391503, 402906, 507687, 577933, 594766, 783006, 892149, 988079, 1015374, 1155866, 1184603, 1733799, 1784298, 1976158, 2081681, 2369206, 2964237, 3467598, 3553809, 4045531, 4163362, 5928474, 6245043, 6916553, 7107618, 8091062, 12136593, 12490086, 13833106, 20749659, 24273186, 30630449, 41499318, 61260898, 91891347, 183782694, 214413143, 428826286, 643239429, 1286478858]

約数ペア:

[(1, 1286478858), (2, 643239429), (3, 428826286), (6, 214413143), (7, 183782694), (14, 91891347), (21, 61260898), (31, 41499318), (42, 30630449), (53, 24273186), (62, 20749659), (93, 13833106), (103, 12490086), (106, 12136593), (159, 8091062), (181, 7107618), (186, 6916553), (206, 6245043), (217, 5928474), (309, 4163362), (318, 4045531), (362, 3553809), (371, 3467598), (434, 2964237), (543, 2369206), (618, 2081681), (651, 1976158), (721, 1784298), (742, 1733799), (1086, 1184603), (1113, 1155866), (1267, 1015374), (1302, 988079), (1442, 892149), (1643, 783006), (2163, 594766), (2226, 577933), (2534, 507687), (3193, 402906), (3286, 391503), (3801, 338458), (4326, 297383), (4929, 261002), (5459, 235662), (5611, 229278), (6386, 201453), (7602, 169229), (9579, 134302), (9593, 134106), (9858, 130501), (10918, 117831), (11222, 114639), (11501, 111858), (16377, 78554), (16833, 76426), (18643, 69006), (19158, 67151), (19186, 67053), (22351, 57558), (23002, 55929), (28779, 44702), (32754, 39277), (33666, 38213), (34503, 37286)]