1288894278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{420383}}^1$

素因数の和:420468

約数の個数: 32

約数和(自身を含む): 2986407936

約数和(自身を除く): 1697513658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 420383, 840766, 1261149, 2522298, 2942681, 5885362, 8828043, 17656086, 30687959, 61375918, 92063877, 184127754, 214815713, 429631426, 644447139, 1288894278]

約数ペア:

[(1, 1288894278), (2, 644447139), (3, 429631426), (6, 214815713), (7, 184127754), (14, 92063877), (21, 61375918), (42, 30687959), (73, 17656086), (146, 8828043), (219, 5885362), (438, 2942681), (511, 2522298), (1022, 1261149), (1533, 840766), (3066, 420383)]