42391908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 116188800

約数和(自身を除く): 73796892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 239, 379, 468, 478, 717, 758, 956, 1137, 1434, 1516, 2151, 2274, 2868, 3107, 3411, 4302, 4548, 4927, 6214, 6822, 8604, 9321, 9854, 12428, 13644, 14781, 18642, 19708, 27963, 29562, 37284, 44343, 55926, 59124, 88686, 90581, 111852, 177372, 181162, 271743, 362324, 543486, 815229, 1086972, 1177553, 1630458, 2355106, 3260916, 3532659, 4710212, 7065318, 10597977, 14130636, 21195954, 42391908]

約数ペア:

[(1, 42391908), (2, 21195954), (3, 14130636), (4, 10597977), (6, 7065318), (9, 4710212), (12, 3532659), (13, 3260916), (18, 2355106), (26, 1630458), (36, 1177553), (39, 1086972), (52, 815229), (78, 543486), (117, 362324), (156, 271743), (234, 181162), (239, 177372), (379, 111852), (468, 90581), (478, 88686), (717, 59124), (758, 55926), (956, 44343), (1137, 37284), (1434, 29562), (1516, 27963), (2151, 19708), (2274, 18642), (2868, 14781), (3107, 13644), (3411, 12428), (4302, 9854), (4548, 9321), (4927, 8604), (6214, 6822)]