40201994

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 70533120

約数和(自身を除く): 30331126

約数列:

[1, 2, 7, 14, 79, 158, 163, 223, 326, 446, 553, 1106, 1141, 1561, 2282, 3122, 12877, 17617, 25754, 35234, 36349, 72698, 90139, 123319, 180278, 246638, 254443, 508886, 2871571, 5743142, 20100997, 40201994]

約数ペア:

[(1, 40201994), (2, 20100997), (7, 5743142), (14, 2871571), (79, 508886), (158, 254443), (163, 246638), (223, 180278), (326, 123319), (446, 90139), (553, 72698), (1106, 36349), (1141, 35234), (1561, 25754), (2282, 17617), (3122, 12877)]