128608956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 389695488

約数和(自身を除く): 261086532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 101, 124, 126, 163, 186, 202, 217, 252, 279, 303, 326, 372, 404, 434, 489, 558, 606, 651, 652, 707, 868, 909, 978, 1116, 1141, 1212, 1302, 1414, 1467, 1818, 1953, 1956, 2121, 2282, 2604, 2828, 2934, 3131, 3423, 3636, 3906, 4242, 4564, 5053, 5868, 6262, 6363, 6846, 7812, 8484, 9393, 10106, 10269, 12524, 12726, 13692, 15159, 16463, 18786, 20212, 20538, 21917, 25452, 28179, 30318, 32926, 35371, 37572, 41076, 43834, 45477, 49389, 56358, 60636, 65751, 65852, 70742, 87668, 90954, 98778, 106113, 112716, 115241, 131502, 141484, 148167, 181908, 197253, 197556, 212226, 230482, 263004, 296334, 318339, 345723, 394506, 424452, 460964, 510353, 592668, 636678, 691446, 789012, 1020706, 1037169, 1273356, 1382892, 1531059, 2041412, 2074338, 3062118, 3572471, 4148676, 4593177, 6124236, 7144942, 9186354, 10717413, 14289884, 18372708, 21434826, 32152239, 42869652, 64304478, 128608956]

約数ペア:

[(1, 128608956), (2, 64304478), (3, 42869652), (4, 32152239), (6, 21434826), (7, 18372708), (9, 14289884), (12, 10717413), (14, 9186354), (18, 7144942), (21, 6124236), (28, 4593177), (31, 4148676), (36, 3572471), (42, 3062118), (62, 2074338), (63, 2041412), (84, 1531059), (93, 1382892), (101, 1273356), (124, 1037169), (126, 1020706), (163, 789012), (186, 691446), (202, 636678), (217, 592668), (252, 510353), (279, 460964), (303, 424452), (326, 394506), (372, 345723), (404, 318339), (434, 296334), (489, 263004), (558, 230482), (606, 212226), (651, 197556), (652, 197253), (707, 181908), (868, 148167), (909, 141484), (978, 131502), (1116, 115241), (1141, 112716), (1212, 106113), (1302, 98778), (1414, 90954), (1467, 87668), (1818, 70742), (1953, 65852), (1956, 65751), (2121, 60636), (2282, 56358), (2604, 49389), (2828, 45477), (2934, 43834), (3131, 41076), (3423, 37572), (3636, 35371), (3906, 32926), (4242, 30318), (4564, 28179), (5053, 25452), (5868, 21917), (6262, 20538), (6363, 20212), (6846, 18786), (7812, 16463), (8484, 15159), (9393, 13692), (10106, 12726), (10269, 12524)]