1657801630

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1\times {\mathrm{997}}^1$

素因数の和:1908

約数の個数: 32

約数和(自身を含む): 3003293376

約数和(自身を除く): 1345491746

約数列:

[1, 2, 5, 10, 257, 514, 647, 997, 1285, 1294, 1994, 2570, 3235, 4985, 6470, 9970, 166279, 256229, 332558, 512458, 645059, 831395, 1281145, 1290118, 1662790, 2562290, 3225295, 6450590, 165780163, 331560326, 828900815, 1657801630]

約数ペア:

[(1, 1657801630), (2, 828900815), (5, 331560326), (10, 165780163), (257, 6450590), (514, 3225295), (647, 2562290), (997, 1662790), (1285, 1290118), (1294, 1281145), (1994, 831395), (2570, 645059), (3235, 512458), (4985, 332558), (6470, 256229), (9970, 166279)]