221565308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 424704000

約数和(自身を除く): 203138692

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 157, 314, 589, 599, 628, 1178, 1198, 2356, 2396, 2983, 4867, 5966, 9734, 11381, 11932, 18569, 19468, 22762, 37138, 45524, 74276, 92473, 94043, 184946, 188086, 352811, 369892, 376172, 705622, 1411244, 1786817, 2915333, 3573634, 5830666, 7147268, 11661332, 55391327, 110782654, 221565308]

約数ペア:

[(1, 221565308), (2, 110782654), (4, 55391327), (19, 11661332), (31, 7147268), (38, 5830666), (62, 3573634), (76, 2915333), (124, 1786817), (157, 1411244), (314, 705622), (589, 376172), (599, 369892), (628, 352811), (1178, 188086), (1198, 184946), (2356, 94043), (2396, 92473), (2983, 74276), (4867, 45524), (5966, 37138), (9734, 22762), (11381, 19468), (11932, 18569)]