128079532

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 277448640

約数和(自身を除く): 149369108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 163, 196, 211, 266, 326, 422, 532, 652, 844, 931, 1141, 1477, 1862, 2282, 2954, 3097, 3724, 4009, 4564, 5908, 6194, 7987, 8018, 10339, 12388, 15974, 16036, 20678, 21679, 28063, 31948, 34393, 41356, 43358, 56126, 68786, 86716, 112252, 137572, 151753, 196441, 240751, 303506, 392882, 481502, 607012, 653467, 785764, 963004, 1306934, 1685257, 2613868, 3370514, 4574269, 6741028, 9148538, 18297076, 32019883, 64039766, 128079532]

約数ペア:

[(1, 128079532), (2, 64039766), (4, 32019883), (7, 18297076), (14, 9148538), (19, 6741028), (28, 4574269), (38, 3370514), (49, 2613868), (76, 1685257), (98, 1306934), (133, 963004), (163, 785764), (196, 653467), (211, 607012), (266, 481502), (326, 392882), (422, 303506), (532, 240751), (652, 196441), (844, 151753), (931, 137572), (1141, 112252), (1477, 86716), (1862, 68786), (2282, 56126), (2954, 43358), (3097, 41356), (3724, 34393), (4009, 31948), (4564, 28063), (5908, 21679), (6194, 20678), (7987, 16036), (8018, 15974), (10339, 12388)]