12806390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 23880096

約数和(自身を除く): 11073706

約数列:

[1, 2, 5, 10, 53, 73, 106, 146, 265, 331, 365, 530, 662, 730, 1655, 3310, 3869, 7738, 17543, 19345, 24163, 35086, 38690, 48326, 87715, 120815, 175430, 241630, 1280639, 2561278, 6403195, 12806390]

約数ペア:

[(1, 12806390), (2, 6403195), (5, 2561278), (10, 1280639), (53, 241630), (73, 175430), (106, 120815), (146, 87715), (265, 48326), (331, 38690), (365, 35086), (530, 24163), (662, 19345), (730, 17543), (1655, 7738), (3310, 3869)]