428397788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8849}}^1$

素因数の和:8899

約数の個数: 72

約数和(自身を含む): 988722000

約数和(自身を除く): 560324212

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 6916, 8849, 12103, 17698, 24206, 35396, 48412, 61943, 115037, 123886, 168131, 230074, 247772, 336262, 433601, 460148, 672524, 805259, 867202, 1176917, 1610518, 1734404, 2185703, 2353834, 3221036, 4371406, 4707668, 5636813, 8238419, 8742812, 11273626, 15299921, 16476838, 22547252, 30599842, 32953676, 61199684, 107099447, 214198894, 428397788]

約数ペア:

[(1, 428397788), (2, 214198894), (4, 107099447), (7, 61199684), (13, 32953676), (14, 30599842), (19, 22547252), (26, 16476838), (28, 15299921), (38, 11273626), (49, 8742812), (52, 8238419), (76, 5636813), (91, 4707668), (98, 4371406), (133, 3221036), (182, 2353834), (196, 2185703), (247, 1734404), (266, 1610518), (364, 1176917), (494, 867202), (532, 805259), (637, 672524), (931, 460148), (988, 433601), (1274, 336262), (1729, 247772), (1862, 230074), (2548, 168131), (3458, 123886), (3724, 115037), (6916, 61943), (8849, 48412), (12103, 35396), (17698, 24206)]