198812404

素因数分解:

$2^2\times 7^4\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 411590144

約数和(自身を除く): 212777740

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 163, 196, 254, 326, 343, 508, 652, 686, 889, 1141, 1372, 1778, 2282, 2401, 3556, 4564, 4802, 6223, 7987, 9604, 12446, 15974, 20701, 24892, 31948, 41402, 43561, 55909, 82804, 87122, 111818, 144907, 174244, 223636, 289814, 304927, 391363, 579628, 609854, 782726, 1014349, 1219708, 1565452, 2028698, 4057396, 7100443, 14200886, 28401772, 49703101, 99406202, 198812404]

約数ペア:

[(1, 198812404), (2, 99406202), (4, 49703101), (7, 28401772), (14, 14200886), (28, 7100443), (49, 4057396), (98, 2028698), (127, 1565452), (163, 1219708), (196, 1014349), (254, 782726), (326, 609854), (343, 579628), (508, 391363), (652, 304927), (686, 289814), (889, 223636), (1141, 174244), (1372, 144907), (1778, 111818), (2282, 87122), (2401, 82804), (3556, 55909), (4564, 43561), (4802, 41402), (6223, 31948), (7987, 24892), (9604, 20701), (12446, 15974)]