81271832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 171383040

約数和(自身を除く): 90111208

約数列:

[1, 2, 4, 8, 17, 31, 34, 37, 62, 68, 74, 124, 136, 148, 248, 296, 521, 527, 629, 1042, 1054, 1147, 1258, 2084, 2108, 2294, 2516, 4168, 4216, 4588, 5032, 8857, 9176, 16151, 17714, 19277, 19499, 32302, 35428, 38554, 38998, 64604, 70856, 77108, 77996, 129208, 154216, 155992, 274567, 327709, 549134, 597587, 655418, 1098268, 1195174, 1310836, 2196536, 2390348, 2621672, 4780696, 10158979, 20317958, 40635916, 81271832]

約数ペア:

[(1, 81271832), (2, 40635916), (4, 20317958), (8, 10158979), (17, 4780696), (31, 2621672), (34, 2390348), (37, 2196536), (62, 1310836), (68, 1195174), (74, 1098268), (124, 655418), (136, 597587), (148, 549134), (248, 327709), (296, 274567), (521, 155992), (527, 154216), (629, 129208), (1042, 77996), (1054, 77108), (1147, 70856), (1258, 64604), (2084, 38998), (2108, 38554), (2294, 35428), (2516, 32302), (4168, 19499), (4216, 19277), (4588, 17714), (5032, 16151), (8857, 9176)]