65431910

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 122381280

約数和(自身を除く): 56949370

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 890, 1987, 3293, 3974, 6586, 9935, 16465, 19870, 32930, 73519, 147038, 176843, 353686, 367595, 735190, 884215, 1768430, 6543191, 13086382, 32715955, 65431910]

約数ペア:

[(1, 65431910), (2, 32715955), (5, 13086382), (10, 6543191), (37, 1768430), (74, 884215), (89, 735190), (178, 367595), (185, 353686), (370, 176843), (445, 147038), (890, 73519), (1987, 32930), (3293, 19870), (3974, 16465), (6586, 9935)]