42120208

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 60

約数和(自身を含む): 90972228

約数和(自身を除く): 48852020

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 169, 208, 296, 338, 421, 481, 592, 676, 842, 962, 1352, 1684, 1924, 2704, 3368, 3848, 5473, 6253, 6736, 7696, 10946, 12506, 15577, 21892, 25012, 31154, 43784, 50024, 62308, 71149, 87568, 100048, 124616, 142298, 202501, 249232, 284596, 405002, 569192, 810004, 1138384, 1620008, 2632513, 3240016, 5265026, 10530052, 21060104, 42120208]

約数ペア:

[(1, 42120208), (2, 21060104), (4, 10530052), (8, 5265026), (13, 3240016), (16, 2632513), (26, 1620008), (37, 1138384), (52, 810004), (74, 569192), (104, 405002), (148, 284596), (169, 249232), (208, 202501), (296, 142298), (338, 124616), (421, 100048), (481, 87568), (592, 71149), (676, 62308), (842, 50024), (962, 43784), (1352, 31154), (1684, 25012), (1924, 21892), (2704, 15577), (3368, 12506), (3848, 10946), (5473, 7696), (6253, 6736)]