204521968

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 483183360

約数和(自身を除く): 278661392

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 163, 238, 272, 326, 476, 652, 659, 952, 1141, 1304, 1318, 1904, 2282, 2608, 2636, 2771, 4564, 4613, 5272, 5542, 9128, 9226, 10544, 11084, 11203, 18256, 18452, 19397, 22168, 22406, 36904, 38794, 44336, 44812, 73808, 77588, 78421, 89624, 107417, 155176, 156842, 179248, 214834, 310352, 313684, 429668, 627368, 751919, 859336, 1254736, 1503838, 1718672, 1826089, 3007676, 3652178, 6015352, 7304356, 12030704, 12782623, 14608712, 25565246, 29217424, 51130492, 102260984, 204521968]

約数ペア:

[(1, 204521968), (2, 102260984), (4, 51130492), (7, 29217424), (8, 25565246), (14, 14608712), (16, 12782623), (17, 12030704), (28, 7304356), (34, 6015352), (56, 3652178), (68, 3007676), (112, 1826089), (119, 1718672), (136, 1503838), (163, 1254736), (238, 859336), (272, 751919), (326, 627368), (476, 429668), (652, 313684), (659, 310352), (952, 214834), (1141, 179248), (1304, 156842), (1318, 155176), (1904, 107417), (2282, 89624), (2608, 78421), (2636, 77588), (2771, 73808), (4564, 44812), (4613, 44336), (5272, 38794), (5542, 36904), (9128, 22406), (9226, 22168), (10544, 19397), (11084, 18452), (11203, 18256)]