72693985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 108041472

約数和(自身を除く): 35347487

約数列:

[1, 5, 7, 13, 35, 65, 91, 197, 455, 811, 985, 1379, 2561, 4055, 5677, 6895, 10543, 12805, 17927, 28385, 52715, 73801, 89635, 159767, 369005, 798835, 1118369, 2076971, 5591845, 10384855, 14538797, 72693985]

約数ペア:

[(1, 72693985), (5, 14538797), (7, 10384855), (13, 5591845), (35, 2076971), (65, 1118369), (91, 798835), (197, 369005), (455, 159767), (811, 89635), (985, 73801), (1379, 52715), (2561, 28385), (4055, 17927), (5677, 12805), (6895, 10543)]