1278452008

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 2545376400

約数和(自身を除く): 1266924392

約数列:

[1, 2, 4, 8, 29, 53, 58, 106, 116, 173, 212, 232, 346, 424, 601, 692, 1202, 1384, 1537, 2404, 3074, 4808, 5017, 6148, 9169, 10034, 12296, 17429, 18338, 20068, 31853, 34858, 36676, 40136, 63706, 69716, 73352, 103973, 127412, 139432, 207946, 254824, 265901, 415892, 531802, 831784, 923737, 1063604, 1847474, 2127208, 3015217, 3694948, 5510569, 6030434, 7389896, 11021138, 12060868, 22042276, 24121736, 44084552, 159806501, 319613002, 639226004, 1278452008]

約数ペア:

[(1, 1278452008), (2, 639226004), (4, 319613002), (8, 159806501), (29, 44084552), (53, 24121736), (58, 22042276), (106, 12060868), (116, 11021138), (173, 7389896), (212, 6030434), (232, 5510569), (346, 3694948), (424, 3015217), (601, 2127208), (692, 1847474), (1202, 1063604), (1384, 923737), (1537, 831784), (2404, 531802), (3074, 415892), (4808, 265901), (5017, 254824), (6148, 207946), (9169, 139432), (10034, 127412), (12296, 103973), (17429, 73352), (18338, 69716), (20068, 63706), (31853, 40136), (34858, 36676)]