261013872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18947}}^1$

素因数の和:19006

約数の個数: 80

約数和(自身を含む): 789449472

約数和(自身を除く): 528435600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1722, 1968, 2296, 3444, 4592, 6888, 13776, 18947, 37894, 56841, 75788, 113682, 132629, 151576, 227364, 265258, 303152, 397887, 454728, 530516, 776827, 795774, 909456, 1061032, 1553654, 1591548, 2122064, 2330481, 3107308, 3183096, 4660962, 5437789, 6214616, 6366192, 9321924, 10875578, 12429232, 16313367, 18643848, 21751156, 32626734, 37287696, 43502312, 65253468, 87004624, 130506936, 261013872]

約数ペア:

[(1, 261013872), (2, 130506936), (3, 87004624), (4, 65253468), (6, 43502312), (7, 37287696), (8, 32626734), (12, 21751156), (14, 18643848), (16, 16313367), (21, 12429232), (24, 10875578), (28, 9321924), (41, 6366192), (42, 6214616), (48, 5437789), (56, 4660962), (82, 3183096), (84, 3107308), (112, 2330481), (123, 2122064), (164, 1591548), (168, 1553654), (246, 1061032), (287, 909456), (328, 795774), (336, 776827), (492, 530516), (574, 454728), (656, 397887), (861, 303152), (984, 265258), (1148, 227364), (1722, 151576), (1968, 132629), (2296, 113682), (3444, 75788), (4592, 56841), (6888, 37894), (13776, 18947)]