828015890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{205463}}^1$

素因数の和:205514

約数の個数: 32

約数和(自身を含む): 1656861696

約数和(自身を除く): 828845806

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 205463, 410926, 1027315, 2054630, 2671019, 5342038, 6369353, 12738706, 13355095, 26710190, 31846765, 63693530, 82801589, 165603178, 414007945, 828015890]

約数ペア:

[(1, 828015890), (2, 414007945), (5, 165603178), (10, 82801589), (13, 63693530), (26, 31846765), (31, 26710190), (62, 13355095), (65, 12738706), (130, 6369353), (155, 5342038), (310, 2671019), (403, 2054630), (806, 1027315), (2015, 410926), (4030, 205463)]