38761905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 77575680

約数和(自身を除く): 38813775

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 219, 273, 365, 389, 455, 511, 949, 1095, 1167, 1365, 1533, 1945, 2555, 2723, 2847, 4745, 5057, 5835, 6643, 7665, 8169, 13615, 14235, 15171, 19929, 25285, 28397, 33215, 35399, 40845, 75855, 85191, 99645, 106197, 141985, 176995, 198779, 369161, 425955, 530985, 596337, 993895, 1107483, 1845805, 2584127, 2981685, 5537415, 7752381, 12920635, 38761905]

約数ペア:

[(1, 38761905), (3, 12920635), (5, 7752381), (7, 5537415), (13, 2981685), (15, 2584127), (21, 1845805), (35, 1107483), (39, 993895), (65, 596337), (73, 530985), (91, 425955), (105, 369161), (195, 198779), (219, 176995), (273, 141985), (365, 106197), (389, 99645), (455, 85191), (511, 75855), (949, 40845), (1095, 35399), (1167, 33215), (1365, 28397), (1533, 25285), (1945, 19929), (2555, 15171), (2723, 14235), (2847, 13615), (4745, 8169), (5057, 7665), (5835, 6643)]