51631645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 71124480

約数和(自身を除く): 19492835

約数列:

[1, 5, 13, 19, 65, 95, 97, 247, 431, 485, 1235, 1261, 1843, 2155, 5603, 6305, 8189, 9215, 23959, 28015, 40945, 41807, 106457, 119795, 209035, 532285, 543491, 794333, 2717455, 3971665, 10326329, 51631645]

約数ペア:

[(1, 51631645), (5, 10326329), (13, 3971665), (19, 2717455), (65, 794333), (95, 543491), (97, 532285), (247, 209035), (431, 119795), (485, 106457), (1235, 41807), (1261, 40945), (1843, 28015), (2155, 23959), (5603, 9215), (6305, 8189)]