51893790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 134894592

約数和(自身を除く): 83000802

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 271, 390, 491, 542, 813, 982, 1355, 1473, 1626, 2455, 2710, 2946, 3523, 4065, 4910, 6383, 7046, 7365, 8130, 10569, 12766, 14730, 17615, 19149, 21138, 31915, 35230, 38298, 52845, 63830, 95745, 105690, 133061, 191490, 266122, 399183, 665305, 798366, 1330610, 1729793, 1995915, 3459586, 3991830, 5189379, 8648965, 10378758, 17297930, 25946895, 51893790]

約数ペア:

[(1, 51893790), (2, 25946895), (3, 17297930), (5, 10378758), (6, 8648965), (10, 5189379), (13, 3991830), (15, 3459586), (26, 1995915), (30, 1729793), (39, 1330610), (65, 798366), (78, 665305), (130, 399183), (195, 266122), (271, 191490), (390, 133061), (491, 105690), (542, 95745), (813, 63830), (982, 52845), (1355, 38298), (1473, 35230), (1626, 31915), (2455, 21138), (2710, 19149), (2946, 17615), (3523, 14730), (4065, 12766), (4910, 10569), (6383, 8130), (7046, 7365)]