28189504

素因数分解:

$2^6\times 7^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 84

約数和(自身を含む): 66454020

約数和(自身を除く): 38264516

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 101, 112, 178, 196, 202, 224, 356, 392, 404, 448, 623, 707, 712, 784, 808, 1246, 1414, 1424, 1568, 1616, 2492, 2828, 2848, 3136, 3232, 4361, 4949, 4984, 5656, 5696, 6464, 8722, 8989, 9898, 9968, 11312, 17444, 17978, 19796, 19936, 22624, 34888, 35956, 39592, 39872, 45248, 62923, 69776, 71912, 79184, 125846, 139552, 143824, 158368, 251692, 279104, 287648, 316736, 440461, 503384, 575296, 880922, 1006768, 1761844, 2013536, 3523688, 4027072, 7047376, 14094752, 28189504]

約数ペア:

[(1, 28189504), (2, 14094752), (4, 7047376), (7, 4027072), (8, 3523688), (14, 2013536), (16, 1761844), (28, 1006768), (32, 880922), (49, 575296), (56, 503384), (64, 440461), (89, 316736), (98, 287648), (101, 279104), (112, 251692), (178, 158368), (196, 143824), (202, 139552), (224, 125846), (356, 79184), (392, 71912), (404, 69776), (448, 62923), (623, 45248), (707, 39872), (712, 39592), (784, 35956), (808, 34888), (1246, 22624), (1414, 19936), (1424, 19796), (1568, 17978), (1616, 17444), (2492, 11312), (2828, 9968), (2848, 9898), (3136, 8989), (3232, 8722), (4361, 6464), (4949, 5696), (4984, 5656)]