664755728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2801}}^1$

素因数の和:2992

約数の個数: 80

約数和(自身を含む): 1595481216

約数和(自身を除く): 930725488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 163, 182, 208, 326, 364, 652, 728, 1141, 1304, 1456, 2119, 2282, 2608, 2801, 4238, 4564, 5602, 8476, 9128, 11204, 14833, 16952, 18256, 19607, 22408, 29666, 33904, 36413, 39214, 44816, 59332, 72826, 78428, 118664, 145652, 156856, 237328, 254891, 291304, 313712, 456563, 509782, 582608, 913126, 1019564, 1826252, 2039128, 3195941, 3652504, 4078256, 5935319, 6391882, 7305008, 11870638, 12783764, 23741276, 25567528, 41547233, 47482552, 51135056, 83094466, 94965104, 166188932, 332377864, 664755728]

約数ペア:

[(1, 664755728), (2, 332377864), (4, 166188932), (7, 94965104), (8, 83094466), (13, 51135056), (14, 47482552), (16, 41547233), (26, 25567528), (28, 23741276), (52, 12783764), (56, 11870638), (91, 7305008), (104, 6391882), (112, 5935319), (163, 4078256), (182, 3652504), (208, 3195941), (326, 2039128), (364, 1826252), (652, 1019564), (728, 913126), (1141, 582608), (1304, 509782), (1456, 456563), (2119, 313712), (2282, 291304), (2608, 254891), (2801, 237328), (4238, 156856), (4564, 145652), (5602, 118664), (8476, 78428), (9128, 72826), (11204, 59332), (14833, 44816), (16952, 39214), (18256, 36413), (19607, 33904), (22408, 29666)]