199909638

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1499}}^1$

素因数の和:1777

約数の個数: 48

約数和(自身を含む): 449280000

約数和(自身を除く): 249370362

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 239, 279, 478, 558, 717, 1434, 1499, 2151, 2998, 4302, 4497, 7409, 8994, 13491, 14818, 22227, 26982, 44454, 46469, 66681, 92938, 133362, 139407, 278814, 358261, 418221, 716522, 836442, 1074783, 2149566, 3224349, 6448698, 11106091, 22212182, 33318273, 66636546, 99954819, 199909638]

約数ペア:

[(1, 199909638), (2, 99954819), (3, 66636546), (6, 33318273), (9, 22212182), (18, 11106091), (31, 6448698), (62, 3224349), (93, 2149566), (186, 1074783), (239, 836442), (279, 716522), (478, 418221), (558, 358261), (717, 278814), (1434, 139407), (1499, 133362), (2151, 92938), (2998, 66681), (4302, 46469), (4497, 44454), (7409, 26982), (8994, 22227), (13491, 14818)]