1680491974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2339}}^1$

素因数の和:2477

約数の個数: 64

約数和(自身を含む): 3158438400

約数和(自身を除く): 1477946426

約数列:

[1, 2, 7, 14, 19, 37, 38, 73, 74, 133, 146, 259, 266, 511, 518, 703, 1022, 1387, 1406, 2339, 2701, 2774, 4678, 4921, 5402, 9709, 9842, 16373, 18907, 19418, 32746, 37814, 44441, 51319, 86543, 88882, 102638, 170747, 173086, 311087, 341494, 359233, 605801, 622174, 718466, 1195229, 1211602, 1644317, 2390458, 3244193, 3288634, 6317639, 6488386, 11510219, 12635278, 22709351, 23020438, 44223473, 45418702, 88446946, 120035141, 240070282, 840245987, 1680491974]

約数ペア:

[(1, 1680491974), (2, 840245987), (7, 240070282), (14, 120035141), (19, 88446946), (37, 45418702), (38, 44223473), (73, 23020438), (74, 22709351), (133, 12635278), (146, 11510219), (259, 6488386), (266, 6317639), (511, 3288634), (518, 3244193), (703, 2390458), (1022, 1644317), (1387, 1211602), (1406, 1195229), (2339, 718466), (2701, 622174), (2774, 605801), (4678, 359233), (4921, 341494), (5402, 311087), (9709, 173086), (9842, 170747), (16373, 102638), (18907, 88882), (19418, 86543), (32746, 51319), (37814, 44441)]