28218138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3319}}^1$

素因数の和:3446

約数の個数: 32

約数和(自身を含む): 61353600

約数和(自身を除く): 33135462

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2834, 3319, 4251, 6638, 8502, 9957, 19914, 43147, 86294, 129441, 258882, 361771, 723542, 1085313, 2170626, 4703023, 9406046, 14109069, 28218138]

約数ペア:

[(1, 28218138), (2, 14109069), (3, 9406046), (6, 4703023), (13, 2170626), (26, 1085313), (39, 723542), (78, 361771), (109, 258882), (218, 129441), (327, 86294), (654, 43147), (1417, 19914), (2834, 9957), (3319, 8502), (4251, 6638)]