647525788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3793}}^1$

素因数の和:3891

約数の個数: 72

約数和(自身を含む): 1441143312

約数和(自身を除く): 793617524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 67, 91, 98, 134, 182, 196, 268, 364, 469, 637, 871, 938, 1274, 1742, 1876, 2548, 3283, 3484, 3793, 6097, 6566, 7586, 12194, 13132, 15172, 24388, 26551, 42679, 49309, 53102, 85358, 98618, 106204, 170716, 185857, 197236, 254131, 345163, 371714, 508262, 690326, 743428, 1016524, 1380652, 1778917, 2416141, 3303703, 3557834, 4832282, 6607406, 7115668, 9664564, 12452419, 13214812, 23125921, 24904838, 46251842, 49809676, 92503684, 161881447, 323762894, 647525788]

約数ペア:

[(1, 647525788), (2, 323762894), (4, 161881447), (7, 92503684), (13, 49809676), (14, 46251842), (26, 24904838), (28, 23125921), (49, 13214812), (52, 12452419), (67, 9664564), (91, 7115668), (98, 6607406), (134, 4832282), (182, 3557834), (196, 3303703), (268, 2416141), (364, 1778917), (469, 1380652), (637, 1016524), (871, 743428), (938, 690326), (1274, 508262), (1742, 371714), (1876, 345163), (2548, 254131), (3283, 197236), (3484, 185857), (3793, 170716), (6097, 106204), (6566, 98618), (7586, 85358), (12194, 53102), (13132, 49309), (15172, 42679), (24388, 26551)]