689438204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2839

約数の個数: 72

約数和(自身を含む): 1521828000

約数和(自身を除く): 832389796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 169, 182, 212, 338, 364, 371, 676, 689, 742, 1183, 1378, 1484, 2366, 2749, 2756, 4732, 4823, 5498, 8957, 9646, 10996, 17914, 19243, 19292, 35737, 35828, 38486, 62699, 71474, 76972, 125398, 142948, 145697, 250159, 250796, 291394, 464581, 500318, 582788, 929162, 1000636, 1019879, 1858324, 1894061, 2039758, 3252067, 3788122, 4079516, 6504134, 7576244, 13008268, 13258427, 24622793, 26516854, 49245586, 53033708, 98491172, 172359551, 344719102, 689438204]

約数ペア:

[(1, 689438204), (2, 344719102), (4, 172359551), (7, 98491172), (13, 53033708), (14, 49245586), (26, 26516854), (28, 24622793), (52, 13258427), (53, 13008268), (91, 7576244), (106, 6504134), (169, 4079516), (182, 3788122), (212, 3252067), (338, 2039758), (364, 1894061), (371, 1858324), (676, 1019879), (689, 1000636), (742, 929162), (1183, 582788), (1378, 500318), (1484, 464581), (2366, 291394), (2749, 250796), (2756, 250159), (4732, 145697), (4823, 142948), (5498, 125398), (8957, 76972), (9646, 71474), (10996, 62699), (17914, 38486), (19243, 35828), (19292, 35737)]