261601424

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 613353600

約数和(自身を除く): 351752176

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 269, 304, 457, 532, 538, 914, 1064, 1076, 1828, 1883, 2128, 2152, 3199, 3656, 3766, 4304, 5111, 6398, 7312, 7532, 8683, 10222, 12796, 15064, 17366, 20444, 25592, 30128, 34732, 35777, 40888, 51184, 60781, 69464, 71554, 81776, 121562, 122933, 138928, 143108, 243124, 245866, 286216, 486248, 491732, 572432, 860531, 972496, 983464, 1721062, 1966928, 2335727, 3442124, 4671454, 6884248, 9342908, 13768496, 16350089, 18685816, 32700178, 37371632, 65400356, 130800712, 261601424]

約数ペア:

[(1, 261601424), (2, 130800712), (4, 65400356), (7, 37371632), (8, 32700178), (14, 18685816), (16, 16350089), (19, 13768496), (28, 9342908), (38, 6884248), (56, 4671454), (76, 3442124), (112, 2335727), (133, 1966928), (152, 1721062), (266, 983464), (269, 972496), (304, 860531), (457, 572432), (532, 491732), (538, 486248), (914, 286216), (1064, 245866), (1076, 243124), (1828, 143108), (1883, 138928), (2128, 122933), (2152, 121562), (3199, 81776), (3656, 71554), (3766, 69464), (4304, 60781), (5111, 51184), (6398, 40888), (7312, 35777), (7532, 34732), (8683, 30128), (10222, 25592), (12796, 20444), (15064, 17366)]