12961472

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 27310080

約数和(自身を除く): 14348608

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 139, 188, 248, 278, 376, 496, 556, 752, 992, 1112, 1457, 1504, 1984, 2224, 2914, 3008, 4309, 4448, 5828, 6533, 8618, 8896, 11656, 13066, 17236, 23312, 26132, 34472, 46624, 52264, 68944, 93248, 104528, 137888, 202523, 209056, 275776, 405046, 418112, 810092, 1620184, 3240368, 6480736, 12961472]

約数ペア:

[(1, 12961472), (2, 6480736), (4, 3240368), (8, 1620184), (16, 810092), (31, 418112), (32, 405046), (47, 275776), (62, 209056), (64, 202523), (94, 137888), (124, 104528), (139, 93248), (188, 68944), (248, 52264), (278, 46624), (376, 34472), (496, 26132), (556, 23312), (752, 17236), (992, 13066), (1112, 11656), (1457, 8896), (1504, 8618), (1984, 6533), (2224, 5828), (2914, 4448), (3008, 4309)]