251119792

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 609460992

約数和(自身を除く): 358341200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 317, 616, 634, 643, 1232, 1268, 1286, 2219, 2536, 2572, 3487, 4438, 4501, 5072, 5144, 6974, 7073, 8876, 9002, 10288, 13948, 14146, 17752, 18004, 24409, 27896, 28292, 35504, 36008, 48818, 49511, 55792, 56584, 72016, 97636, 99022, 113168, 195272, 198044, 203831, 390544, 396088, 407662, 792176, 815324, 1426817, 1630648, 2242141, 2853634, 3261296, 4484282, 5707268, 8968564, 11414536, 15694987, 17937128, 22829072, 31389974, 35874256, 62779948, 125559896, 251119792]

約数ペア:

[(1, 251119792), (2, 125559896), (4, 62779948), (7, 35874256), (8, 31389974), (11, 22829072), (14, 17937128), (16, 15694987), (22, 11414536), (28, 8968564), (44, 5707268), (56, 4484282), (77, 3261296), (88, 2853634), (112, 2242141), (154, 1630648), (176, 1426817), (308, 815324), (317, 792176), (616, 407662), (634, 396088), (643, 390544), (1232, 203831), (1268, 198044), (1286, 195272), (2219, 113168), (2536, 99022), (2572, 97636), (3487, 72016), (4438, 56584), (4501, 55792), (5072, 49511), (5144, 48818), (6974, 36008), (7073, 35504), (8876, 28292), (9002, 27896), (10288, 24409), (13948, 18004), (14146, 17752)]