28401772

素因数分解:

$2^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 58777600

約数和(自身を除く): 30375828

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, 3556, 4564, 6223, 7987, 12446, 15974, 20701, 24892, 31948, 41402, 43561, 55909, 82804, 87122, 111818, 144907, 174244, 223636, 289814, 579628, 1014349, 2028698, 4057396, 7100443, 14200886, 28401772]

約数ペア:

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