1389723718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{613}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 2232061920

約数和(自身を除く): 842338202

約数列:

[1, 2, 17, 34, 131, 262, 509, 613, 1018, 1226, 2227, 4454, 8653, 10421, 17306, 20842, 66679, 80303, 133358, 160606, 312017, 624034, 1133543, 1365151, 2267086, 2730302, 5304289, 10608578, 40874227, 81748454, 694861859, 1389723718]

約数ペア:

[(1, 1389723718), (2, 694861859), (17, 81748454), (34, 40874227), (131, 10608578), (262, 5304289), (509, 2730302), (613, 2267086), (1018, 1365151), (1226, 1133543), (2227, 624034), (4454, 312017), (8653, 160606), (10421, 133358), (17306, 80303), (20842, 66679)]