315626272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{997}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 670739832

約数和(自身を除く): 355113560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 761, 997, 1522, 1994, 3044, 3988, 6088, 7976, 9893, 12176, 12961, 15952, 19786, 24352, 25922, 31904, 39572, 51844, 79144, 103688, 158288, 207376, 316576, 414752, 758717, 1517434, 3034868, 6069736, 9863321, 12139472, 19726642, 24278944, 39453284, 78906568, 157813136, 315626272]

約数ペア:

[(1, 315626272), (2, 157813136), (4, 78906568), (8, 39453284), (13, 24278944), (16, 19726642), (26, 12139472), (32, 9863321), (52, 6069736), (104, 3034868), (208, 1517434), (416, 758717), (761, 414752), (997, 316576), (1522, 207376), (1994, 158288), (3044, 103688), (3988, 79144), (6088, 51844), (7976, 39572), (9893, 31904), (12176, 25922), (12961, 24352), (15952, 19786)]