81171738

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 185664960

約数和(自身を除く): 104493222

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 534, 801, 1602, 2047, 2203, 4094, 4406, 6141, 6609, 12282, 13218, 18423, 19827, 36846, 39654, 50669, 101338, 152007, 196067, 304014, 392134, 456021, 588201, 912042, 1176402, 1764603, 3529206, 4509541, 9019082, 13528623, 27057246, 40585869, 81171738]

約数ペア:

[(1, 81171738), (2, 40585869), (3, 27057246), (6, 13528623), (9, 9019082), (18, 4509541), (23, 3529206), (46, 1764603), (69, 1176402), (89, 912042), (138, 588201), (178, 456021), (207, 392134), (267, 304014), (414, 196067), (534, 152007), (801, 101338), (1602, 50669), (2047, 39654), (2203, 36846), (4094, 19827), (4406, 18423), (6141, 13218), (6609, 12282)]