1025025316

素因数分解:

$2^2\times 7^5\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 2130213120

約数和(自身を除く): 1105187804

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 193, 196, 316, 343, 386, 553, 686, 772, 1106, 1351, 1372, 2212, 2401, 2702, 3871, 4802, 5404, 7742, 9457, 9604, 15247, 15484, 16807, 18914, 27097, 30494, 33614, 37828, 54194, 60988, 66199, 67228, 106729, 108388, 132398, 189679, 213458, 264796, 379358, 426916, 463393, 747103, 758716, 926786, 1327753, 1494206, 1853572, 2655506, 2988412, 3243751, 5229721, 5311012, 6487502, 10459442, 12975004, 20918884, 36608047, 73216094, 146432188, 256256329, 512512658, 1025025316]

約数ペア:

[(1, 1025025316), (2, 512512658), (4, 256256329), (7, 146432188), (14, 73216094), (28, 36608047), (49, 20918884), (79, 12975004), (98, 10459442), (158, 6487502), (193, 5311012), (196, 5229721), (316, 3243751), (343, 2988412), (386, 2655506), (553, 1853572), (686, 1494206), (772, 1327753), (1106, 926786), (1351, 758716), (1372, 747103), (2212, 463393), (2401, 426916), (2702, 379358), (3871, 264796), (4802, 213458), (5404, 189679), (7742, 132398), (9457, 108388), (9604, 106729), (15247, 67228), (15484, 66199), (16807, 60988), (18914, 54194), (27097, 37828), (30494, 33614)]