686008674

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 1639782144

約数和(自身を除く): 953773470

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 157, 213, 234, 263, 314, 426, 471, 526, 639, 789, 923, 942, 1278, 1413, 1578, 1846, 2041, 2367, 2769, 2826, 3419, 4082, 4734, 5538, 6123, 6838, 8307, 10257, 11147, 12246, 16614, 18369, 18673, 20514, 22294, 30771, 33441, 36738, 37346, 41291, 56019, 61542, 66882, 82582, 100323, 112038, 123873, 144911, 168057, 200646, 242749, 247746, 289822, 336114, 371619, 434733, 485498, 536783, 728247, 743238, 869466, 1073566, 1304199, 1456494, 1610349, 2184741, 2608398, 2931661, 3220698, 4369482, 4831047, 5863322, 8794983, 9662094, 17589966, 26384949, 38111593, 52769898, 76223186, 114334779, 228669558, 343004337, 686008674]

約数ペア:

[(1, 686008674), (2, 343004337), (3, 228669558), (6, 114334779), (9, 76223186), (13, 52769898), (18, 38111593), (26, 26384949), (39, 17589966), (71, 9662094), (78, 8794983), (117, 5863322), (142, 4831047), (157, 4369482), (213, 3220698), (234, 2931661), (263, 2608398), (314, 2184741), (426, 1610349), (471, 1456494), (526, 1304199), (639, 1073566), (789, 869466), (923, 743238), (942, 728247), (1278, 536783), (1413, 485498), (1578, 434733), (1846, 371619), (2041, 336114), (2367, 289822), (2769, 247746), (2826, 242749), (3419, 200646), (4082, 168057), (4734, 144911), (5538, 123873), (6123, 112038), (6838, 100323), (8307, 82582), (10257, 66882), (11147, 61542), (12246, 56019), (16614, 41291), (18369, 37346), (18673, 36738), (20514, 33441), (22294, 30771)]