128938446

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 128

約数和(自身を含む): 371481600

約数和(自身を除く): 242543154

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 234, 247, 266, 273, 342, 351, 378, 399, 494, 513, 546, 702, 741, 798, 819, 1026, 1197, 1381, 1482, 1638, 1729, 2223, 2394, 2457, 2762, 3458, 3591, 4143, 4446, 4914, 5187, 6669, 7182, 8286, 9667, 10374, 12429, 13338, 15561, 17953, 19334, 24858, 26239, 29001, 31122, 35906, 37287, 46683, 52478, 53859, 58002, 74574, 78717, 87003, 93366, 107718, 125671, 157434, 161577, 174006, 183673, 236151, 251342, 261009, 323154, 341107, 367346, 377013, 472302, 484731, 522018, 551019, 682214, 708453, 754026, 969462, 1023321, 1102038, 1131039, 1416906, 1653057, 2046642, 2262078, 2387749, 3069963, 3306114, 3393117, 4775498, 4959171, 6139926, 6786234, 7163247, 9209889, 9918342, 14326494, 18419778, 21489741, 42979482, 64469223, 128938446]

約数ペア:

[(1, 128938446), (2, 64469223), (3, 42979482), (6, 21489741), (7, 18419778), (9, 14326494), (13, 9918342), (14, 9209889), (18, 7163247), (19, 6786234), (21, 6139926), (26, 4959171), (27, 4775498), (38, 3393117), (39, 3306114), (42, 3069963), (54, 2387749), (57, 2262078), (63, 2046642), (78, 1653057), (91, 1416906), (114, 1131039), (117, 1102038), (126, 1023321), (133, 969462), (171, 754026), (182, 708453), (189, 682214), (234, 551019), (247, 522018), (266, 484731), (273, 472302), (342, 377013), (351, 367346), (378, 341107), (399, 323154), (494, 261009), (513, 251342), (546, 236151), (702, 183673), (741, 174006), (798, 161577), (819, 157434), (1026, 125671), (1197, 107718), (1381, 93366), (1482, 87003), (1638, 78717), (1729, 74574), (2223, 58002), (2394, 53859), (2457, 52478), (2762, 46683), (3458, 37287), (3591, 35906), (4143, 31122), (4446, 29001), (4914, 26239), (5187, 24858), (6669, 19334), (7182, 17953), (8286, 15561), (9667, 13338), (10374, 12429)]