279968368

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{467}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 551013840

約数和(自身を除く): 271045472

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 421, 467, 712, 842, 934, 1424, 1684, 1868, 3368, 3736, 6736, 7472, 37469, 41563, 74938, 83126, 149876, 166252, 196607, 299752, 332504, 393214, 599504, 665008, 786428, 1572856, 3145712, 17498023, 34996046, 69992092, 139984184, 279968368]

約数ペア:

[(1, 279968368), (2, 139984184), (4, 69992092), (8, 34996046), (16, 17498023), (89, 3145712), (178, 1572856), (356, 786428), (421, 665008), (467, 599504), (712, 393214), (842, 332504), (934, 299752), (1424, 196607), (1684, 166252), (1868, 149876), (3368, 83126), (3736, 74938), (6736, 41563), (7472, 37469)]