20097151195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 27275968512

約数和(自身を除く): 7178817317

約数列:

[1, 5, 11, 55, 61, 101, 127, 305, 467, 505, 635, 671, 1111, 1397, 2335, 3355, 5137, 5555, 6161, 6985, 7747, 12827, 25685, 28487, 30805, 38735, 47167, 59309, 64135, 67771, 85217, 141097, 142435, 235835, 296545, 313357, 338855, 426085, 518837, 652399, 705485, 782447, 1566785, 2594185, 2877187, 3261995, 3617849, 3912235, 5990209, 8606917, 14385935, 18089245, 29951045, 31649057, 39796339, 43034585, 65892299, 158245285, 198981695, 329461495, 365402749, 1827013745, 4019430239, 20097151195]

約数ペア:

[(1, 20097151195), (5, 4019430239), (11, 1827013745), (55, 365402749), (61, 329461495), (101, 198981695), (127, 158245285), (305, 65892299), (467, 43034585), (505, 39796339), (635, 31649057), (671, 29951045), (1111, 18089245), (1397, 14385935), (2335, 8606917), (3355, 5990209), (5137, 3912235), (5555, 3617849), (6161, 3261995), (6985, 2877187), (7747, 2594185), (12827, 1566785), (25685, 782447), (28487, 705485), (30805, 652399), (38735, 518837), (47167, 426085), (59309, 338855), (64135, 313357), (67771, 296545), (85217, 235835), (141097, 142435)]