79681472

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 84

約数和(自身を含む): 175701960

約数和(自身を除く): 96020488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 139, 169, 208, 212, 278, 338, 416, 424, 556, 676, 689, 832, 848, 1112, 1352, 1378, 1696, 1807, 2224, 2704, 2756, 3392, 3614, 4448, 5408, 5512, 7228, 7367, 8896, 8957, 10816, 11024, 14456, 14734, 17914, 22048, 23491, 28912, 29468, 35828, 44096, 46982, 57824, 58936, 71656, 93964, 95771, 115648, 117872, 143312, 187928, 191542, 235744, 286624, 375856, 383084, 471488, 573248, 751712, 766168, 1245023, 1503424, 1532336, 2490046, 3064672, 4980092, 6129344, 9960184, 19920368, 39840736, 79681472]

約数ペア:

[(1, 79681472), (2, 39840736), (4, 19920368), (8, 9960184), (13, 6129344), (16, 4980092), (26, 3064672), (32, 2490046), (52, 1532336), (53, 1503424), (64, 1245023), (104, 766168), (106, 751712), (139, 573248), (169, 471488), (208, 383084), (212, 375856), (278, 286624), (338, 235744), (416, 191542), (424, 187928), (556, 143312), (676, 117872), (689, 115648), (832, 95771), (848, 93964), (1112, 71656), (1352, 58936), (1378, 57824), (1696, 46982), (1807, 44096), (2224, 35828), (2704, 29468), (2756, 28912), (3392, 23491), (3614, 22048), (4448, 17914), (5408, 14734), (5512, 14456), (7228, 11024), (7367, 10816), (8896, 8957)]