388374948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2029}}^1$

素因数の和:2461

約数の個数: 72

約数和(自身を含む): 1060350200

約数和(自身を除く): 671975252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 409, 468, 818, 1227, 1636, 2029, 2454, 3681, 4058, 4908, 5317, 6087, 7362, 8116, 10634, 12174, 14724, 15951, 18261, 21268, 24348, 26377, 31902, 36522, 47853, 52754, 63804, 73044, 79131, 95706, 105508, 158262, 191412, 237393, 316524, 474786, 829861, 949572, 1659722, 2489583, 3319444, 4979166, 7468749, 9958332, 10788193, 14937498, 21576386, 29874996, 32364579, 43152772, 64729158, 97093737, 129458316, 194187474, 388374948]

約数ペア:

[(1, 388374948), (2, 194187474), (3, 129458316), (4, 97093737), (6, 64729158), (9, 43152772), (12, 32364579), (13, 29874996), (18, 21576386), (26, 14937498), (36, 10788193), (39, 9958332), (52, 7468749), (78, 4979166), (117, 3319444), (156, 2489583), (234, 1659722), (409, 949572), (468, 829861), (818, 474786), (1227, 316524), (1636, 237393), (2029, 191412), (2454, 158262), (3681, 105508), (4058, 95706), (4908, 79131), (5317, 73044), (6087, 63804), (7362, 52754), (8116, 47853), (10634, 36522), (12174, 31902), (14724, 26377), (15951, 24348), (18261, 21268)]