203179990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22013}}^1$

素因数の和:22104

約数の個数: 32

約数和(自身を含む): 399422016

約数和(自身を除く): 196242026

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 22013, 44026, 110065, 220130, 286169, 572338, 1430845, 1562923, 2861690, 3125846, 7814615, 15629230, 20317999, 40635998, 101589995, 203179990]

約数ペア:

[(1, 203179990), (2, 101589995), (5, 40635998), (10, 20317999), (13, 15629230), (26, 7814615), (65, 3125846), (71, 2861690), (130, 1562923), (142, 1430845), (355, 572338), (710, 286169), (923, 220130), (1846, 110065), (4615, 44026), (9230, 22013)]