28211508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{4637}}^1$

素因数の和:4673

約数の個数: 54

約数和(自身を含む): 77236614

約数和(自身を除く): 49025106

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 4637, 6084, 9274, 13911, 18548, 27822, 41733, 55644, 60281, 83466, 120562, 166932, 180843, 241124, 361686, 542529, 723372, 783653, 1085058, 1567306, 2170116, 2350959, 3134612, 4701918, 7052877, 9403836, 14105754, 28211508]

約数ペア:

[(1, 28211508), (2, 14105754), (3, 9403836), (4, 7052877), (6, 4701918), (9, 3134612), (12, 2350959), (13, 2170116), (18, 1567306), (26, 1085058), (36, 783653), (39, 723372), (52, 542529), (78, 361686), (117, 241124), (156, 180843), (169, 166932), (234, 120562), (338, 83466), (468, 60281), (507, 55644), (676, 41733), (1014, 27822), (1521, 18548), (2028, 13911), (3042, 9274), (4637, 6084)]