257616157744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{204517}}^1$

素因数の和:204974

約数の個数: 80

約数和(自身を含む): 577908966816

約数和(自身を除く): 320292809072

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 421, 748, 842, 1496, 1684, 2992, 3368, 4631, 6736, 7157, 9262, 14314, 18524, 28628, 37048, 57256, 74096, 78727, 114512, 157454, 204517, 314908, 409034, 629816, 818068, 1259632, 1636136, 2249687, 3272272, 3476789, 4499374, 6953578, 8998748, 13907156, 17997496, 27814312, 35994992, 38244679, 55628624, 76489358, 86101657, 152978716, 172203314, 305957432, 344406628, 611914864, 688813256, 947118227, 1377626512, 1463728169, 1894236454, 2927456338, 3788472908, 5854912676, 7576945816, 11709825352, 15153891632, 16101009859, 23419650704, 32202019718, 64404039436, 128808078872, 257616157744]

約数ペア:

[(1, 257616157744), (2, 128808078872), (4, 64404039436), (8, 32202019718), (11, 23419650704), (16, 16101009859), (17, 15153891632), (22, 11709825352), (34, 7576945816), (44, 5854912676), (68, 3788472908), (88, 2927456338), (136, 1894236454), (176, 1463728169), (187, 1377626512), (272, 947118227), (374, 688813256), (421, 611914864), (748, 344406628), (842, 305957432), (1496, 172203314), (1684, 152978716), (2992, 86101657), (3368, 76489358), (4631, 55628624), (6736, 38244679), (7157, 35994992), (9262, 27814312), (14314, 17997496), (18524, 13907156), (28628, 8998748), (37048, 6953578), (57256, 4499374), (74096, 3476789), (78727, 3272272), (114512, 2249687), (157454, 1636136), (204517, 1259632), (314908, 818068), (409034, 629816)]