31879770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1967

約数の個数: 64

約数和(自身を含む): 84357504

約数和(自身を除く): 52477734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1901, 2795, 3354, 3802, 5590, 5703, 8385, 9505, 11406, 16770, 19010, 24713, 28515, 49426, 57030, 74139, 81743, 123565, 148278, 163486, 245229, 247130, 370695, 408715, 490458, 741390, 817430, 1062659, 1226145, 2125318, 2452290, 3187977, 5313295, 6375954, 10626590, 15939885, 31879770]

約数ペア:

[(1, 31879770), (2, 15939885), (3, 10626590), (5, 6375954), (6, 5313295), (10, 3187977), (13, 2452290), (15, 2125318), (26, 1226145), (30, 1062659), (39, 817430), (43, 741390), (65, 490458), (78, 408715), (86, 370695), (129, 247130), (130, 245229), (195, 163486), (215, 148278), (258, 123565), (390, 81743), (430, 74139), (559, 57030), (645, 49426), (1118, 28515), (1290, 24713), (1677, 19010), (1901, 16770), (2795, 11406), (3354, 9505), (3802, 8385), (5590, 5703)]