665725736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 1370416320

約数和(自身を除く): 704690584

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 233, 331, 332, 466, 662, 664, 932, 1079, 1324, 1864, 2158, 2648, 3029, 4303, 4316, 6058, 8606, 8632, 12116, 17212, 19339, 24232, 27473, 34424, 38678, 54946, 77123, 77356, 109892, 154246, 154712, 219784, 251407, 308492, 357149, 502814, 616984, 714298, 1002599, 1005628, 1428596, 2005198, 2011256, 2857192, 4010396, 6401209, 8020792, 12802418, 25604836, 51209672, 83215717, 166431434, 332862868, 665725736]

約数ペア:

[(1, 665725736), (2, 332862868), (4, 166431434), (8, 83215717), (13, 51209672), (26, 25604836), (52, 12802418), (83, 8020792), (104, 6401209), (166, 4010396), (233, 2857192), (331, 2011256), (332, 2005198), (466, 1428596), (662, 1005628), (664, 1002599), (932, 714298), (1079, 616984), (1324, 502814), (1864, 357149), (2158, 308492), (2648, 251407), (3029, 219784), (4303, 154712), (4316, 154246), (6058, 109892), (8606, 77356), (8632, 77123), (12116, 54946), (17212, 38678), (19339, 34424), (24232, 27473)]