1999791808

素因数分解:

$2^6\times 7^1\times {\mathrm{367}}^1\times {\mathrm{12163}}^1$

素因数の和:12549

約数の個数: 56

約数和(自身を含む): 4547973632

約数和(自身を除く): 2548181824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 367, 448, 734, 1468, 2569, 2936, 5138, 5872, 10276, 11744, 12163, 20552, 23488, 24326, 41104, 48652, 82208, 85141, 97304, 164416, 170282, 194608, 340564, 389216, 681128, 778432, 1362256, 2724512, 4463821, 5449024, 8927642, 17855284, 31246747, 35710568, 62493494, 71421136, 124986988, 142842272, 249973976, 285684544, 499947952, 999895904, 1999791808]

約数ペア:

[(1, 1999791808), (2, 999895904), (4, 499947952), (7, 285684544), (8, 249973976), (14, 142842272), (16, 124986988), (28, 71421136), (32, 62493494), (56, 35710568), (64, 31246747), (112, 17855284), (224, 8927642), (367, 5449024), (448, 4463821), (734, 2724512), (1468, 1362256), (2569, 778432), (2936, 681128), (5138, 389216), (5872, 340564), (10276, 194608), (11744, 170282), (12163, 164416), (20552, 97304), (23488, 85141), (24326, 82208), (41104, 48652)]