638509914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163469}}^1$

素因数の和:163515

約数の個数: 48

約数和(自身を含む): 1632084480

約数和(自身を除く): 993574566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 163469, 326938, 490407, 980814, 1144283, 1471221, 2288566, 2942442, 3432849, 5067539, 6865698, 10135078, 10298547, 15202617, 20597094, 30405234, 35472773, 45607851, 70945546, 91215702, 106418319, 212836638, 319254957, 638509914]

約数ペア:

[(1, 638509914), (2, 319254957), (3, 212836638), (6, 106418319), (7, 91215702), (9, 70945546), (14, 45607851), (18, 35472773), (21, 30405234), (31, 20597094), (42, 15202617), (62, 10298547), (63, 10135078), (93, 6865698), (126, 5067539), (186, 3432849), (217, 2942442), (279, 2288566), (434, 1471221), (558, 1144283), (651, 980814), (1302, 490407), (1953, 326938), (3906, 163469)]