81379656

素因数分解:

$2^3\times 3^2\times {\mathrm{1130273}}^1$

素因数の和:1130285

約数の個数: 24

約数和(自身を含む): 220403430

約数和(自身を除く): 139023774

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1130273, 2260546, 3390819, 4521092, 6781638, 9042184, 10172457, 13563276, 20344914, 27126552, 40689828, 81379656]

約数ペア:

[(1, 81379656), (2, 40689828), (3, 27126552), (4, 20344914), (6, 13563276), (8, 10172457), (9, 9042184), (12, 6781638), (18, 4521092), (24, 3390819), (36, 2260546), (72, 1130273)]