39641992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 81526500

約数和(自身を除く): 41884508

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 169, 218, 269, 338, 436, 538, 676, 872, 1076, 1352, 1417, 2152, 2834, 3497, 5668, 6994, 11336, 13988, 18421, 27976, 29321, 36842, 45461, 58642, 73684, 90922, 117284, 147368, 181844, 234568, 363688, 381173, 762346, 1524692, 3049384, 4955249, 9910498, 19820996, 39641992]

約数ペア:

[(1, 39641992), (2, 19820996), (4, 9910498), (8, 4955249), (13, 3049384), (26, 1524692), (52, 762346), (104, 381173), (109, 363688), (169, 234568), (218, 181844), (269, 147368), (338, 117284), (436, 90922), (538, 73684), (676, 58642), (872, 45461), (1076, 36842), (1352, 29321), (1417, 27976), (2152, 18421), (2834, 13988), (3497, 11336), (5668, 6994)]