201663872

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 427604400

約数和(自身を除く): 225940528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 101, 128, 152, 202, 304, 404, 608, 808, 821, 1216, 1616, 1642, 1919, 2432, 3232, 3284, 3838, 6464, 6568, 7676, 12928, 13136, 15352, 15599, 26272, 30704, 31198, 52544, 61408, 62396, 82921, 105088, 122816, 124792, 165842, 245632, 249584, 331684, 499168, 663368, 998336, 1326736, 1575499, 1996672, 2653472, 3150998, 5306944, 6301996, 10613888, 12603992, 25207984, 50415968, 100831936, 201663872]

約数ペア:

[(1, 201663872), (2, 100831936), (4, 50415968), (8, 25207984), (16, 12603992), (19, 10613888), (32, 6301996), (38, 5306944), (64, 3150998), (76, 2653472), (101, 1996672), (128, 1575499), (152, 1326736), (202, 998336), (304, 663368), (404, 499168), (608, 331684), (808, 249584), (821, 245632), (1216, 165842), (1616, 124792), (1642, 122816), (1919, 105088), (2432, 82921), (3232, 62396), (3284, 61408), (3838, 52544), (6464, 31198), (6568, 30704), (7676, 26272), (12928, 15599), (13136, 15352)]