888917315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 1293667200

約数和(自身を除く): 404749885

約数列:

[1, 5, 11, 13, 55, 61, 65, 89, 143, 229, 305, 445, 671, 715, 793, 979, 1145, 1157, 2519, 2977, 3355, 3965, 4895, 5429, 5785, 8723, 12595, 12727, 13969, 14885, 20381, 27145, 32747, 43615, 59719, 63635, 69845, 70577, 101905, 153659, 163735, 181597, 224191, 264953, 298595, 352885, 768295, 776347, 907985, 1120955, 1243241, 1324765, 1997567, 2914483, 3881735, 6216205, 9987835, 13675651, 14572415, 16162133, 68378255, 80810665, 177783463, 888917315]

約数ペア:

[(1, 888917315), (5, 177783463), (11, 80810665), (13, 68378255), (55, 16162133), (61, 14572415), (65, 13675651), (89, 9987835), (143, 6216205), (229, 3881735), (305, 2914483), (445, 1997567), (671, 1324765), (715, 1243241), (793, 1120955), (979, 907985), (1145, 776347), (1157, 768295), (2519, 352885), (2977, 298595), (3355, 264953), (3965, 224191), (4895, 181597), (5429, 163735), (5785, 153659), (8723, 101905), (12595, 70577), (12727, 69845), (13969, 63635), (14885, 59719), (20381, 43615), (27145, 32747)]