685239128

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 1650485160

約数和(自身を除く): 965246032

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 49, 56, 62, 68, 98, 107, 119, 124, 136, 196, 214, 217, 238, 248, 392, 428, 434, 476, 527, 749, 833, 856, 868, 952, 961, 1054, 1498, 1519, 1666, 1736, 1819, 1922, 2108, 2996, 3038, 3317, 3332, 3638, 3689, 3844, 4216, 5243, 5992, 6076, 6634, 6664, 6727, 7276, 7378, 7688, 10486, 12152, 12733, 13268, 13454, 14552, 14756, 16337, 20972, 23219, 25466, 25823, 26536, 26908, 29512, 32674, 41944, 46438, 47089, 50932, 51646, 53816, 56389, 65348, 89131, 92876, 94178, 101864, 102827, 103292, 112778, 114359, 130696, 162533, 178262, 185752, 188356, 205654, 206584, 225556, 228718, 325066, 356524, 376712, 394723, 411308, 451112, 457436, 650132, 713048, 719789, 789446, 800513, 822616, 914872, 1300264, 1439578, 1578892, 1601026, 1748059, 2763061, 2879156, 3157784, 3202052, 3496118, 5038523, 5526122, 5758312, 6404104, 6992236, 10077046, 11052244, 12236413, 13984472, 20154092, 22104488, 24472826, 40308184, 48945652, 85654891, 97891304, 171309782, 342619564, 685239128]

約数ペア:

[(1, 685239128), (2, 342619564), (4, 171309782), (7, 97891304), (8, 85654891), (14, 48945652), (17, 40308184), (28, 24472826), (31, 22104488), (34, 20154092), (49, 13984472), (56, 12236413), (62, 11052244), (68, 10077046), (98, 6992236), (107, 6404104), (119, 5758312), (124, 5526122), (136, 5038523), (196, 3496118), (214, 3202052), (217, 3157784), (238, 2879156), (248, 2763061), (392, 1748059), (428, 1601026), (434, 1578892), (476, 1439578), (527, 1300264), (749, 914872), (833, 822616), (856, 800513), (868, 789446), (952, 719789), (961, 713048), (1054, 650132), (1498, 457436), (1519, 451112), (1666, 411308), (1736, 394723), (1819, 376712), (1922, 356524), (2108, 325066), (2996, 228718), (3038, 225556), (3317, 206584), (3332, 205654), (3638, 188356), (3689, 185752), (3844, 178262), (4216, 162533), (5243, 130696), (5992, 114359), (6076, 112778), (6634, 103292), (6664, 102827), (6727, 101864), (7276, 94178), (7378, 92876), (7688, 89131), (10486, 65348), (12152, 56389), (12733, 53816), (13268, 51646), (13454, 50932), (14552, 47089), (14756, 46438), (16337, 41944), (20972, 32674), (23219, 29512), (25466, 26908), (25823, 26536)]