16916955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 32306688

約数和(自身を除く): 15389733

約数列:

[1, 3, 5, 11, 15, 17, 33, 37, 51, 55, 85, 111, 163, 165, 185, 187, 255, 407, 489, 555, 561, 629, 815, 935, 1221, 1793, 1887, 2035, 2445, 2771, 2805, 3145, 5379, 6031, 6105, 6919, 8313, 8965, 9435, 13855, 18093, 20757, 26895, 30155, 30481, 34595, 41565, 66341, 90465, 91443, 102527, 103785, 152405, 199023, 307581, 331705, 457215, 512635, 995115, 1127797, 1537905, 3383391, 5638985, 16916955]

約数ペア:

[(1, 16916955), (3, 5638985), (5, 3383391), (11, 1537905), (15, 1127797), (17, 995115), (33, 512635), (37, 457215), (51, 331705), (55, 307581), (85, 199023), (111, 152405), (163, 103785), (165, 102527), (185, 91443), (187, 90465), (255, 66341), (407, 41565), (489, 34595), (555, 30481), (561, 30155), (629, 26895), (815, 20757), (935, 18093), (1221, 13855), (1793, 9435), (1887, 8965), (2035, 8313), (2445, 6919), (2771, 6105), (2805, 6031), (3145, 5379)]