28264990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5303}}^1$

素因数の和:5364

約数の個数: 32

約数和(自身を含む): 56137536

約数和(自身を除く): 27872546

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5303, 5330, 10606, 26515, 53030, 68939, 137878, 217423, 344695, 434846, 689390, 1087115, 2174230, 2826499, 5652998, 14132495, 28264990]

約数ペア:

[(1, 28264990), (2, 14132495), (5, 5652998), (10, 2826499), (13, 2174230), (26, 1087115), (41, 689390), (65, 434846), (82, 344695), (130, 217423), (205, 137878), (410, 68939), (533, 53030), (1066, 26515), (2665, 10606), (5303, 5330)]