865184944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{797}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 1920064608

約数和(自身を除く): 1054879664

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 307, 442, 614, 797, 884, 1228, 1594, 1768, 2456, 3188, 3536, 3991, 4912, 5219, 6376, 7982, 10361, 10438, 12752, 13549, 15964, 20722, 20876, 27098, 31928, 41444, 41752, 54196, 63856, 67847, 82888, 83504, 108392, 135694, 165776, 176137, 216784, 244679, 271388, 352274, 489358, 542776, 704548, 978716, 1085552, 1409096, 1957432, 2818192, 3180827, 3914864, 4159543, 6361654, 8319086, 12723308, 16638172, 25446616, 33276344, 50893232, 54074059, 66552688, 108148118, 216296236, 432592472, 865184944]

約数ペア:

[(1, 865184944), (2, 432592472), (4, 216296236), (8, 108148118), (13, 66552688), (16, 54074059), (17, 50893232), (26, 33276344), (34, 25446616), (52, 16638172), (68, 12723308), (104, 8319086), (136, 6361654), (208, 4159543), (221, 3914864), (272, 3180827), (307, 2818192), (442, 1957432), (614, 1409096), (797, 1085552), (884, 978716), (1228, 704548), (1594, 542776), (1768, 489358), (2456, 352274), (3188, 271388), (3536, 244679), (3991, 216784), (4912, 176137), (5219, 165776), (6376, 135694), (7982, 108392), (10361, 83504), (10438, 82888), (12752, 67847), (13549, 63856), (15964, 54196), (20722, 41752), (20876, 41444), (27098, 31928)]