205340408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{1669}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 476952000

約数和(自身を除く): 271611592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 1669, 2197, 2366, 3338, 4394, 4732, 6676, 8788, 9464, 11683, 13352, 15379, 17576, 21697, 23366, 30758, 43394, 46732, 61516, 86788, 93464, 123032, 151879, 173576, 282061, 303758, 564122, 607516, 1128244, 1215032, 1974427, 2256488, 3666793, 3948854, 7333586, 7897708, 14667172, 15795416, 25667551, 29334344, 51335102, 102670204, 205340408]

約数ペア:

[(1, 205340408), (2, 102670204), (4, 51335102), (7, 29334344), (8, 25667551), (13, 15795416), (14, 14667172), (26, 7897708), (28, 7333586), (52, 3948854), (56, 3666793), (91, 2256488), (104, 1974427), (169, 1215032), (182, 1128244), (338, 607516), (364, 564122), (676, 303758), (728, 282061), (1183, 173576), (1352, 151879), (1669, 123032), (2197, 93464), (2366, 86788), (3338, 61516), (4394, 46732), (4732, 43394), (6676, 30758), (8788, 23366), (9464, 21697), (11683, 17576), (13352, 15379)]