201401915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 305206272

約数和(自身を除く): 103804357

約数列:

[1, 5, 11, 13, 23, 37, 55, 65, 115, 143, 185, 253, 299, 331, 407, 481, 715, 851, 1265, 1495, 1655, 2035, 2405, 3289, 3641, 4255, 4303, 5291, 7613, 9361, 11063, 12247, 16445, 18205, 21515, 26455, 38065, 46805, 47333, 55315, 61235, 83743, 98969, 121693, 134717, 159211, 236665, 281681, 418715, 494845, 608465, 673585, 796055, 1088659, 1408405, 1751321, 3098491, 3661853, 5443295, 8756605, 15492455, 18309265, 40280383, 201401915]

約数ペア:

[(1, 201401915), (5, 40280383), (11, 18309265), (13, 15492455), (23, 8756605), (37, 5443295), (55, 3661853), (65, 3098491), (115, 1751321), (143, 1408405), (185, 1088659), (253, 796055), (299, 673585), (331, 608465), (407, 494845), (481, 418715), (715, 281681), (851, 236665), (1265, 159211), (1495, 134717), (1655, 121693), (2035, 98969), (2405, 83743), (3289, 61235), (3641, 55315), (4255, 47333), (4303, 46805), (5291, 38065), (7613, 26455), (9361, 21515), (11063, 18205), (12247, 16445)]