311908324

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 688910208

約数和(自身を除く): 377001884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 163, 182, 196, 326, 364, 637, 652, 751, 1141, 1274, 1502, 2119, 2282, 2548, 3004, 4238, 4564, 5257, 7987, 8476, 9763, 10514, 14833, 15974, 19526, 21028, 29666, 31948, 36799, 39052, 59332, 68341, 73598, 103831, 122413, 136682, 147196, 207662, 244826, 273364, 415324, 478387, 489652, 856891, 956774, 1591369, 1713782, 1913548, 3182738, 3427564, 5998237, 6365476, 11139583, 11996474, 22279166, 23992948, 44558332, 77977081, 155954162, 311908324]

約数ペア:

[(1, 311908324), (2, 155954162), (4, 77977081), (7, 44558332), (13, 23992948), (14, 22279166), (26, 11996474), (28, 11139583), (49, 6365476), (52, 5998237), (91, 3427564), (98, 3182738), (163, 1913548), (182, 1713782), (196, 1591369), (326, 956774), (364, 856891), (637, 489652), (652, 478387), (751, 415324), (1141, 273364), (1274, 244826), (1502, 207662), (2119, 147196), (2282, 136682), (2548, 122413), (3004, 103831), (4238, 73598), (4564, 68341), (5257, 59332), (7987, 39052), (8476, 36799), (9763, 31948), (10514, 29666), (14833, 21028), (15974, 19526)]