408974072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2699}}^1$

素因数の和:2796

約数の個数: 64

約数和(自身を含む): 870912000

約数和(自身を除く): 461937928

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 188, 248, 376, 403, 611, 806, 1222, 1457, 1612, 2444, 2699, 2914, 3224, 4888, 5398, 5828, 10796, 11656, 18941, 21592, 35087, 37882, 70174, 75764, 83669, 126853, 140348, 151528, 167338, 253706, 280696, 334676, 507412, 669352, 1014824, 1087697, 1649089, 2175394, 3298178, 3932443, 4350788, 6596356, 7864886, 8701576, 13192712, 15729772, 31459544, 51121759, 102243518, 204487036, 408974072]

約数ペア:

[(1, 408974072), (2, 204487036), (4, 102243518), (8, 51121759), (13, 31459544), (26, 15729772), (31, 13192712), (47, 8701576), (52, 7864886), (62, 6596356), (94, 4350788), (104, 3932443), (124, 3298178), (188, 2175394), (248, 1649089), (376, 1087697), (403, 1014824), (611, 669352), (806, 507412), (1222, 334676), (1457, 280696), (1612, 253706), (2444, 167338), (2699, 151528), (2914, 140348), (3224, 126853), (4888, 83669), (5398, 75764), (5828, 70174), (10796, 37882), (11656, 35087), (18941, 21592)]