392775890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97463}}^1$

素因数の和:97514

約数の個数: 32

約数和(自身を含む): 785949696

約数和(自身を除く): 393173806

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 97463, 194926, 487315, 974630, 1267019, 2534038, 3021353, 6042706, 6335095, 12670190, 15106765, 30213530, 39277589, 78555178, 196387945, 392775890]

約数ペア:

[(1, 392775890), (2, 196387945), (5, 78555178), (10, 39277589), (13, 30213530), (26, 15106765), (31, 12670190), (62, 6335095), (65, 6042706), (130, 3021353), (155, 2534038), (310, 1267019), (403, 974630), (806, 487315), (2015, 194926), (4030, 97463)]