212509830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{544897}}^1$

素因数の和:544920

約数の個数: 32

約数和(自身を含む): 549257184

約数和(自身を除く): 336747354

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 544897, 1089794, 1634691, 2724485, 3269382, 5448970, 7083661, 8173455, 14167322, 16346910, 21250983, 35418305, 42501966, 70836610, 106254915, 212509830]

約数ペア:

[(1, 212509830), (2, 106254915), (3, 70836610), (5, 42501966), (6, 35418305), (10, 21250983), (13, 16346910), (15, 14167322), (26, 8173455), (30, 7083661), (39, 5448970), (65, 3269382), (78, 2724485), (130, 1634691), (195, 1089794), (390, 544897)]