28470546

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 72

約数和(自身を含む): 70736484

約数和(自身を除く): 42265938

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 289, 306, 421, 442, 578, 663, 842, 867, 1263, 1326, 1734, 1989, 2526, 2601, 3757, 3789, 3978, 5202, 5473, 7157, 7514, 7578, 10946, 11271, 14314, 16419, 21471, 22542, 32838, 33813, 42942, 49257, 64413, 67626, 93041, 98514, 121669, 128826, 186082, 243338, 279123, 365007, 558246, 730014, 837369, 1095021, 1581697, 1674738, 2190042, 3163394, 4745091, 9490182, 14235273, 28470546]

約数ペア:

[(1, 28470546), (2, 14235273), (3, 9490182), (6, 4745091), (9, 3163394), (13, 2190042), (17, 1674738), (18, 1581697), (26, 1095021), (34, 837369), (39, 730014), (51, 558246), (78, 365007), (102, 279123), (117, 243338), (153, 186082), (221, 128826), (234, 121669), (289, 98514), (306, 93041), (421, 67626), (442, 64413), (578, 49257), (663, 42942), (842, 33813), (867, 32838), (1263, 22542), (1326, 21471), (1734, 16419), (1989, 14314), (2526, 11271), (2601, 10946), (3757, 7578), (3789, 7514), (3978, 7157), (5202, 5473)]