15888971995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1\times {\mathrm{4951}}^1$

素因数の和:5575

約数の個数: 32

約数和(自身を含む): 20790080640

約数和(自身を除く): 4901108645

約数列:

[1, 5, 13, 65, 97, 485, 509, 1261, 2545, 4951, 6305, 6617, 24755, 33085, 49373, 64363, 246865, 321815, 480247, 641849, 2401235, 2520059, 3209245, 6243211, 12600295, 31216055, 32760767, 163803835, 244445723, 1222228615, 3177794399, 15888971995]

約数ペア:

[(1, 15888971995), (5, 3177794399), (13, 1222228615), (65, 244445723), (97, 163803835), (485, 32760767), (509, 31216055), (1261, 12600295), (2545, 6243211), (4951, 3209245), (6305, 2520059), (6617, 2401235), (24755, 641849), (33085, 480247), (49373, 321815), (64363, 246865)]