30985864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1430

約数の個数: 64

約数和(自身を含む): 73866240

約数和(自身を除く): 42880376

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1373, 1612, 1736, 2746, 2821, 3224, 5492, 5642, 9611, 10984, 11284, 17849, 19222, 22568, 35698, 38444, 42563, 71396, 76888, 85126, 124943, 142792, 170252, 249886, 297941, 340504, 499772, 553319, 595882, 999544, 1106638, 1191764, 2213276, 2383528, 3873233, 4426552, 7746466, 15492932, 30985864]

約数ペア:

[(1, 30985864), (2, 15492932), (4, 7746466), (7, 4426552), (8, 3873233), (13, 2383528), (14, 2213276), (26, 1191764), (28, 1106638), (31, 999544), (52, 595882), (56, 553319), (62, 499772), (91, 340504), (104, 297941), (124, 249886), (182, 170252), (217, 142792), (248, 124943), (364, 85126), (403, 76888), (434, 71396), (728, 42563), (806, 38444), (868, 35698), (1373, 22568), (1612, 19222), (1736, 17849), (2746, 11284), (2821, 10984), (3224, 9611), (5492, 5642)]