64399998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12323}}^1$

素因数の和:12408

約数の個数: 32

約数和(自身を含む): 140789376

約数和(自身を除く): 76389378

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 12323, 24646, 36969, 73938, 160199, 320398, 480597, 825641, 961194, 1651282, 2476923, 4953846, 10733333, 21466666, 32199999, 64399998]

約数ペア:

[(1, 64399998), (2, 32199999), (3, 21466666), (6, 10733333), (13, 4953846), (26, 2476923), (39, 1651282), (67, 961194), (78, 825641), (134, 480597), (201, 320398), (402, 160199), (871, 73938), (1742, 36969), (2613, 24646), (5226, 12323)]