7958971540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{9721}}^1$

素因数の和:9857

約数の個数: 96

約数和(自身を含む): 18658773504

約数和(自身を除く): 10699801964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 67, 94, 130, 134, 188, 235, 260, 268, 335, 470, 611, 670, 871, 940, 1222, 1340, 1742, 2444, 3055, 3149, 3484, 4355, 6110, 6298, 8710, 9721, 12220, 12596, 15745, 17420, 19442, 31490, 38884, 40937, 48605, 62980, 81874, 97210, 126373, 163748, 194420, 204685, 252746, 409370, 456887, 505492, 631865, 651307, 818740, 913774, 1263730, 1302614, 1827548, 2284435, 2527460, 2605228, 3256535, 4568870, 5939531, 6513070, 8466991, 9137740, 11879062, 13026140, 16933982, 23758124, 29697655, 30611429, 33867964, 42334955, 59395310, 61222858, 84669910, 118790620, 122445716, 153057145, 169339820, 306114290, 397948577, 612228580, 795897154, 1591794308, 1989742885, 3979485770, 7958971540]

約数ペア:

[(1, 7958971540), (2, 3979485770), (4, 1989742885), (5, 1591794308), (10, 795897154), (13, 612228580), (20, 397948577), (26, 306114290), (47, 169339820), (52, 153057145), (65, 122445716), (67, 118790620), (94, 84669910), (130, 61222858), (134, 59395310), (188, 42334955), (235, 33867964), (260, 30611429), (268, 29697655), (335, 23758124), (470, 16933982), (611, 13026140), (670, 11879062), (871, 9137740), (940, 8466991), (1222, 6513070), (1340, 5939531), (1742, 4568870), (2444, 3256535), (3055, 2605228), (3149, 2527460), (3484, 2284435), (4355, 1827548), (6110, 1302614), (6298, 1263730), (8710, 913774), (9721, 818740), (12220, 651307), (12596, 631865), (15745, 505492), (17420, 456887), (19442, 409370), (31490, 252746), (38884, 204685), (40937, 194420), (48605, 163748), (62980, 126373), (81874, 97210)]