388882416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{623209}}^1$

素因数の和:623233

約数の個数: 40

約数和(自身を含む): 1081892560

約数和(自身を除く): 693010144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 623209, 1246418, 1869627, 2492836, 3739254, 4985672, 7478508, 8101717, 9971344, 14957016, 16203434, 24305151, 29914032, 32406868, 48610302, 64813736, 97220604, 129627472, 194441208, 388882416]

約数ペア:

[(1, 388882416), (2, 194441208), (3, 129627472), (4, 97220604), (6, 64813736), (8, 48610302), (12, 32406868), (13, 29914032), (16, 24305151), (24, 16203434), (26, 14957016), (39, 9971344), (48, 8101717), (52, 7478508), (78, 4985672), (104, 3739254), (156, 2492836), (208, 1869627), (312, 1246418), (624, 623209)]