28747030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 56010528

約数和(自身を除く): 27263498

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 881, 1255, 1762, 2510, 3263, 4405, 6526, 8810, 11453, 16315, 22906, 32630, 57265, 114530, 221131, 442262, 1105655, 2211310, 2874703, 5749406, 14373515, 28747030]

約数ペア:

[(1, 28747030), (2, 14373515), (5, 5749406), (10, 2874703), (13, 2211310), (26, 1105655), (65, 442262), (130, 221131), (251, 114530), (502, 57265), (881, 32630), (1255, 22906), (1762, 16315), (2510, 11453), (3263, 8810), (4405, 6526)]