1687645752

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 4625026560

約数和(自身を除く): 2937380808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 131, 156, 157, 262, 263, 312, 314, 393, 471, 524, 526, 628, 786, 789, 942, 1048, 1052, 1256, 1572, 1578, 1703, 1884, 2041, 2104, 3144, 3156, 3406, 3419, 3768, 4082, 5109, 6123, 6312, 6812, 6838, 8164, 10218, 10257, 12246, 13624, 13676, 16328, 20436, 20514, 20567, 24492, 27352, 34453, 40872, 41028, 41134, 41291, 48984, 61701, 68906, 82056, 82268, 82582, 103359, 123402, 123873, 137812, 164536, 165164, 206718, 246804, 247746, 267371, 275624, 330328, 413436, 447889, 493608, 495492, 534742, 536783, 802113, 826872, 895778, 990984, 1069484, 1073566, 1343667, 1604226, 1610349, 1791556, 2138968, 2147132, 2687334, 3208452, 3220698, 3583112, 4294264, 5374668, 5409121, 6416904, 6441396, 10749336, 10818242, 12882792, 16227363, 21636484, 32454726, 43272968, 64909452, 70318573, 129818904, 140637146, 210955719, 281274292, 421911438, 562548584, 843822876, 1687645752]

約数ペア:

[(1, 1687645752), (2, 843822876), (3, 562548584), (4, 421911438), (6, 281274292), (8, 210955719), (12, 140637146), (13, 129818904), (24, 70318573), (26, 64909452), (39, 43272968), (52, 32454726), (78, 21636484), (104, 16227363), (131, 12882792), (156, 10818242), (157, 10749336), (262, 6441396), (263, 6416904), (312, 5409121), (314, 5374668), (393, 4294264), (471, 3583112), (524, 3220698), (526, 3208452), (628, 2687334), (786, 2147132), (789, 2138968), (942, 1791556), (1048, 1610349), (1052, 1604226), (1256, 1343667), (1572, 1073566), (1578, 1069484), (1703, 990984), (1884, 895778), (2041, 826872), (2104, 802113), (3144, 536783), (3156, 534742), (3406, 495492), (3419, 493608), (3768, 447889), (4082, 413436), (5109, 330328), (6123, 275624), (6312, 267371), (6812, 247746), (6838, 246804), (8164, 206718), (10218, 165164), (10257, 164536), (12246, 137812), (13624, 123873), (13676, 123402), (16328, 103359), (20436, 82582), (20514, 82268), (20567, 82056), (24492, 68906), (27352, 61701), (34453, 48984), (40872, 41291), (41028, 41134)]