688921944

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 1871424000

約数和(自身を除く): 1182502056

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 89, 92, 111, 138, 148, 178, 184, 222, 267, 276, 296, 356, 379, 444, 534, 552, 712, 758, 851, 888, 1068, 1137, 1516, 1702, 2047, 2136, 2274, 2553, 3032, 3293, 3404, 4094, 4548, 5106, 6141, 6586, 6808, 8188, 8717, 9096, 9879, 10212, 12282, 13172, 14023, 16376, 17434, 19758, 20424, 24564, 26151, 26344, 28046, 33731, 34868, 39516, 42069, 49128, 52302, 56092, 67462, 69736, 75739, 79032, 84138, 101193, 104604, 112184, 134924, 151478, 168276, 202386, 209208, 227217, 269848, 302956, 322529, 336552, 404772, 454434, 605912, 645058, 775813, 809544, 908868, 967587, 1248047, 1290116, 1551626, 1817736, 1935174, 2327439, 2496094, 2580232, 3103252, 3744141, 3870348, 4654878, 4992188, 6206504, 7488282, 7740696, 9309756, 9984376, 14976564, 18619512, 28705081, 29953128, 57410162, 86115243, 114820324, 172230486, 229640648, 344460972, 688921944]

約数ペア:

[(1, 688921944), (2, 344460972), (3, 229640648), (4, 172230486), (6, 114820324), (8, 86115243), (12, 57410162), (23, 29953128), (24, 28705081), (37, 18619512), (46, 14976564), (69, 9984376), (74, 9309756), (89, 7740696), (92, 7488282), (111, 6206504), (138, 4992188), (148, 4654878), (178, 3870348), (184, 3744141), (222, 3103252), (267, 2580232), (276, 2496094), (296, 2327439), (356, 1935174), (379, 1817736), (444, 1551626), (534, 1290116), (552, 1248047), (712, 967587), (758, 908868), (851, 809544), (888, 775813), (1068, 645058), (1137, 605912), (1516, 454434), (1702, 404772), (2047, 336552), (2136, 322529), (2274, 302956), (2553, 269848), (3032, 227217), (3293, 209208), (3404, 202386), (4094, 168276), (4548, 151478), (5106, 134924), (6141, 112184), (6586, 104604), (6808, 101193), (8188, 84138), (8717, 79032), (9096, 75739), (9879, 69736), (10212, 67462), (12282, 56092), (13172, 52302), (14023, 49128), (16376, 42069), (17434, 39516), (19758, 34868), (20424, 33731), (24564, 28046), (26151, 26344)]