25561472

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 54173220

約数和(自身を除く): 28611748

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 691, 1088, 1156, 1382, 2176, 2312, 2764, 4624, 5528, 9248, 11056, 11747, 18496, 22112, 23494, 36992, 44224, 46988, 88448, 93976, 187952, 199699, 375904, 399398, 751808, 798796, 1503616, 1597592, 3195184, 6390368, 12780736, 25561472]

約数ペア:

[(1, 25561472), (2, 12780736), (4, 6390368), (8, 3195184), (16, 1597592), (17, 1503616), (32, 798796), (34, 751808), (64, 399398), (68, 375904), (128, 199699), (136, 187952), (272, 93976), (289, 88448), (544, 46988), (578, 44224), (691, 36992), (1088, 23494), (1156, 22112), (1382, 18496), (2176, 11747), (2312, 11056), (2764, 9248), (4624, 5528)]