4193990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 7934976

約数和(自身を除く): 3740986

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 163, 166, 310, 326, 415, 815, 830, 1630, 2573, 5053, 5146, 10106, 12865, 13529, 25265, 25730, 27058, 50530, 67645, 135290, 419399, 838798, 2096995, 4193990]

約数ペア:

[(1, 4193990), (2, 2096995), (5, 838798), (10, 419399), (31, 135290), (62, 67645), (83, 50530), (155, 27058), (163, 25730), (166, 25265), (310, 13529), (326, 12865), (415, 10106), (815, 5146), (830, 5053), (1630, 2573)]