221569161905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1\times {\mathrm{15241}}^1$

素因数の和:15714

約数の個数: 64

約数和(自身を含む): 331861017600

約数和(自身を除く): 110291855695

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 359, 445, 455, 623, 1157, 1795, 2513, 3115, 4667, 5785, 8099, 12565, 15241, 23335, 31951, 32669, 40495, 76205, 106687, 159755, 163345, 198133, 223657, 415363, 533435, 990665, 1118285, 1356449, 1386931, 2076815, 2907541, 5471519, 6782245, 6934655, 9495143, 14537705, 17633837, 27357595, 38300633, 47475715, 71129747, 88169185, 123436859, 191503165, 355648735, 486965191, 497908229, 617184295, 2434825955, 2489541145, 3408756337, 6330547483, 17043781685, 31652737415, 44313832381, 221569161905]

約数ペア:

[(1, 221569161905), (5, 44313832381), (7, 31652737415), (13, 17043781685), (35, 6330547483), (65, 3408756337), (89, 2489541145), (91, 2434825955), (359, 617184295), (445, 497908229), (455, 486965191), (623, 355648735), (1157, 191503165), (1795, 123436859), (2513, 88169185), (3115, 71129747), (4667, 47475715), (5785, 38300633), (8099, 27357595), (12565, 17633837), (15241, 14537705), (23335, 9495143), (31951, 6934655), (32669, 6782245), (40495, 5471519), (76205, 2907541), (106687, 2076815), (159755, 1386931), (163345, 1356449), (198133, 1118285), (223657, 990665), (415363, 533435)]