85723690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 178536960

約数和(自身を除く): 92813270

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 79, 85, 130, 158, 170, 221, 395, 442, 491, 790, 982, 1027, 1105, 1343, 2054, 2210, 2455, 2686, 4910, 5135, 6383, 6715, 8347, 10270, 12766, 13430, 16694, 17459, 31915, 34918, 38789, 41735, 63830, 77578, 83470, 87295, 108511, 174590, 193945, 217022, 387890, 504257, 542555, 659413, 1008514, 1085110, 1318826, 2521285, 3297065, 5042570, 6594130, 8572369, 17144738, 42861845, 85723690]

約数ペア:

[(1, 85723690), (2, 42861845), (5, 17144738), (10, 8572369), (13, 6594130), (17, 5042570), (26, 3297065), (34, 2521285), (65, 1318826), (79, 1085110), (85, 1008514), (130, 659413), (158, 542555), (170, 504257), (221, 387890), (395, 217022), (442, 193945), (491, 174590), (790, 108511), (982, 87295), (1027, 83470), (1105, 77578), (1343, 63830), (2054, 41735), (2210, 38789), (2455, 34918), (2686, 31915), (4910, 17459), (5135, 16694), (6383, 13430), (6715, 12766), (8347, 10270)]