253985728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:765

約数の個数: 56

約数和(自身を含む): 523199360

約数和(自身を除く): 269213632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 313, 409, 496, 626, 818, 992, 1252, 1636, 1984, 2504, 3272, 5008, 6544, 9703, 10016, 12679, 13088, 19406, 20032, 25358, 26176, 38812, 50716, 77624, 101432, 128017, 155248, 202864, 256034, 310496, 405728, 512068, 620992, 811456, 1024136, 2048272, 3968527, 4096544, 7937054, 8193088, 15874108, 31748216, 63496432, 126992864, 253985728]

約数ペア:

[(1, 253985728), (2, 126992864), (4, 63496432), (8, 31748216), (16, 15874108), (31, 8193088), (32, 7937054), (62, 4096544), (64, 3968527), (124, 2048272), (248, 1024136), (313, 811456), (409, 620992), (496, 512068), (626, 405728), (818, 310496), (992, 256034), (1252, 202864), (1636, 155248), (1984, 128017), (2504, 101432), (3272, 77624), (5008, 50716), (6544, 38812), (9703, 26176), (10016, 25358), (12679, 20032), (13088, 19406)]