890488158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{769}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 2069760000

約数和(自身を除く): 1179271842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 349, 474, 553, 698, 769, 1047, 1106, 1538, 1659, 2094, 2307, 2443, 3318, 4614, 4886, 5383, 7329, 10766, 14658, 16149, 27571, 32298, 55142, 60751, 82713, 121502, 165426, 182253, 192997, 268381, 364506, 385994, 425257, 536762, 578991, 805143, 850514, 1157982, 1275771, 1610286, 1878667, 2551542, 3757334, 5636001, 11272002, 21202099, 42404198, 63606297, 127212594, 148414693, 296829386, 445244079, 890488158]

約数ペア:

[(1, 890488158), (2, 445244079), (3, 296829386), (6, 148414693), (7, 127212594), (14, 63606297), (21, 42404198), (42, 21202099), (79, 11272002), (158, 5636001), (237, 3757334), (349, 2551542), (474, 1878667), (553, 1610286), (698, 1275771), (769, 1157982), (1047, 850514), (1106, 805143), (1538, 578991), (1659, 536762), (2094, 425257), (2307, 385994), (2443, 364506), (3318, 268381), (4614, 192997), (4886, 182253), (5383, 165426), (7329, 121502), (10766, 82713), (14658, 60751), (16149, 55142), (27571, 32298)]