390230015

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 554348544

約数和(自身を除く): 164118529

約数列:

[1, 5, 7, 31, 35, 155, 217, 457, 787, 1085, 2285, 3199, 3935, 5509, 14167, 15995, 24397, 27545, 70835, 99169, 121985, 170779, 359659, 495845, 853895, 1798295, 2517613, 11149429, 12588065, 55747145, 78046003, 390230015]

約数ペア:

[(1, 390230015), (5, 78046003), (7, 55747145), (31, 12588065), (35, 11149429), (155, 2517613), (217, 1798295), (457, 853895), (787, 495845), (1085, 359659), (2285, 170779), (3199, 121985), (3935, 99169), (5509, 70835), (14167, 27545), (15995, 24397)]