639232276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7333}}^1$

素因数の和:7424

約数の個数: 48

約数和(自身を含む): 1248540160

約数和(自身を除く): 609307884

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 589, 703, 1147, 1178, 1406, 2294, 2356, 2812, 4588, 7333, 14666, 21793, 29332, 43586, 87172, 139327, 227323, 271321, 278654, 454646, 542642, 557308, 909292, 1085284, 4319137, 5155099, 8410951, 8638274, 10310198, 16821902, 17276548, 20620396, 33643804, 159808069, 319616138, 639232276]

約数ペア:

[(1, 639232276), (2, 319616138), (4, 159808069), (19, 33643804), (31, 20620396), (37, 17276548), (38, 16821902), (62, 10310198), (74, 8638274), (76, 8410951), (124, 5155099), (148, 4319137), (589, 1085284), (703, 909292), (1147, 557308), (1178, 542642), (1406, 454646), (2294, 278654), (2356, 271321), (2812, 227323), (4588, 139327), (7333, 87172), (14666, 43586), (21793, 29332)]