1645417956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20641}}^1$

素因数の和:20741

約数の個数: 96

約数和(自身を含む): 4790265088

約数和(自身を除く): 3144847132

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 73, 78, 84, 91, 146, 156, 182, 219, 273, 292, 364, 438, 511, 546, 876, 949, 1022, 1092, 1533, 1898, 2044, 2847, 3066, 3796, 5694, 6132, 6643, 11388, 13286, 19929, 20641, 26572, 39858, 41282, 61923, 79716, 82564, 123846, 144487, 247692, 268333, 288974, 433461, 536666, 577948, 804999, 866922, 1073332, 1506793, 1609998, 1733844, 1878331, 3013586, 3219996, 3756662, 4520379, 5634993, 6027172, 7513324, 9040758, 10547551, 11269986, 18081516, 19588309, 21095102, 22539972, 31642653, 39176618, 42190204, 58764927, 63285306, 78353236, 117529854, 126570612, 137118163, 235059708, 274236326, 411354489, 548472652, 822708978, 1645417956]

約数ペア:

[(1, 1645417956), (2, 822708978), (3, 548472652), (4, 411354489), (6, 274236326), (7, 235059708), (12, 137118163), (13, 126570612), (14, 117529854), (21, 78353236), (26, 63285306), (28, 58764927), (39, 42190204), (42, 39176618), (52, 31642653), (73, 22539972), (78, 21095102), (84, 19588309), (91, 18081516), (146, 11269986), (156, 10547551), (182, 9040758), (219, 7513324), (273, 6027172), (292, 5634993), (364, 4520379), (438, 3756662), (511, 3219996), (546, 3013586), (876, 1878331), (949, 1733844), (1022, 1609998), (1092, 1506793), (1533, 1073332), (1898, 866922), (2044, 804999), (2847, 577948), (3066, 536666), (3796, 433461), (5694, 288974), (6132, 268333), (6643, 247692), (11388, 144487), (13286, 123846), (19929, 82564), (20641, 79716), (26572, 61923), (39858, 41282)]