9900828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 28959840

約数和(自身を除く): 19059012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 389, 404, 606, 707, 778, 909, 1167, 1212, 1414, 1556, 1818, 2121, 2334, 2723, 2828, 3501, 3636, 4242, 4668, 5446, 6363, 7002, 8169, 8484, 10892, 12726, 14004, 16338, 24507, 25452, 32676, 39289, 49014, 78578, 98028, 117867, 157156, 235734, 275023, 353601, 471468, 550046, 707202, 825069, 1100092, 1414404, 1650138, 2475207, 3300276, 4950414, 9900828]

約数ペア:

[(1, 9900828), (2, 4950414), (3, 3300276), (4, 2475207), (6, 1650138), (7, 1414404), (9, 1100092), (12, 825069), (14, 707202), (18, 550046), (21, 471468), (28, 353601), (36, 275023), (42, 235734), (63, 157156), (84, 117867), (101, 98028), (126, 78578), (202, 49014), (252, 39289), (303, 32676), (389, 25452), (404, 24507), (606, 16338), (707, 14004), (778, 12726), (909, 10892), (1167, 8484), (1212, 8169), (1414, 7002), (1556, 6363), (1818, 5446), (2121, 4668), (2334, 4242), (2723, 3636), (2828, 3501)]