257741392

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{1481}}^1$

素因数の和:1711

約数の個数: 40

約数和(自身を含む): 509956200

約数和(自身を除く): 252214808

約数列:

[1, 2, 4, 8, 16, 73, 146, 149, 292, 298, 584, 596, 1168, 1192, 1481, 2384, 2962, 5924, 10877, 11848, 21754, 23696, 43508, 87016, 108113, 174032, 216226, 220669, 432452, 441338, 864904, 882676, 1729808, 1765352, 3530704, 16108837, 32217674, 64435348, 128870696, 257741392]

約数ペア:

[(1, 257741392), (2, 128870696), (4, 64435348), (8, 32217674), (16, 16108837), (73, 3530704), (146, 1765352), (149, 1729808), (292, 882676), (298, 864904), (584, 441338), (596, 432452), (1168, 220669), (1192, 216226), (1481, 174032), (2384, 108113), (2962, 87016), (5924, 43508), (10877, 23696), (11848, 21754)]