400996908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{856831}}^1$

素因数の和:856854

約数の個数: 36

約数和(自身を含む): 1091603968

約数和(自身を除く): 690607060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 856831, 1713662, 2570493, 3427324, 5140986, 7711479, 10281972, 11138803, 15422958, 22277606, 30845916, 33416409, 44555212, 66832818, 100249227, 133665636, 200498454, 400996908]

約数ペア:

[(1, 400996908), (2, 200498454), (3, 133665636), (4, 100249227), (6, 66832818), (9, 44555212), (12, 33416409), (13, 30845916), (18, 22277606), (26, 15422958), (36, 11138803), (39, 10281972), (52, 7711479), (78, 5140986), (117, 3427324), (156, 2570493), (234, 1713662), (468, 856831)]