12780736

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:737

約数の個数: 42

約数和(自身を含む): 26980388

約数和(自身を除く): 14199652

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 691, 1088, 1156, 1382, 2312, 2764, 4624, 5528, 9248, 11056, 11747, 18496, 22112, 23494, 44224, 46988, 93976, 187952, 199699, 375904, 399398, 751808, 798796, 1597592, 3195184, 6390368, 12780736]

約数ペア:

[(1, 12780736), (2, 6390368), (4, 3195184), (8, 1597592), (16, 798796), (17, 751808), (32, 399398), (34, 375904), (64, 199699), (68, 187952), (136, 93976), (272, 46988), (289, 44224), (544, 23494), (578, 22112), (691, 18496), (1088, 11747), (1156, 11056), (1382, 9248), (2312, 5528), (2764, 4624)]