128520042

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 302227200

約数和(自身を除く): 173707158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 317, 343, 394, 591, 634, 686, 951, 1029, 1182, 1379, 1902, 2058, 2219, 2758, 4137, 4438, 6657, 8274, 9653, 13314, 15533, 19306, 28959, 31066, 46599, 57918, 62449, 67571, 93198, 108731, 124898, 135142, 187347, 202713, 217462, 326193, 374694, 405426, 437143, 652386, 874286, 1311429, 2622858, 3060001, 6120002, 9180003, 18360006, 21420007, 42840014, 64260021, 128520042]

約数ペア:

[(1, 128520042), (2, 64260021), (3, 42840014), (6, 21420007), (7, 18360006), (14, 9180003), (21, 6120002), (42, 3060001), (49, 2622858), (98, 1311429), (147, 874286), (197, 652386), (294, 437143), (317, 405426), (343, 374694), (394, 326193), (591, 217462), (634, 202713), (686, 187347), (951, 135142), (1029, 124898), (1182, 108731), (1379, 93198), (1902, 67571), (2058, 62449), (2219, 57918), (2758, 46599), (4137, 31066), (4438, 28959), (6657, 19306), (8274, 15533), (9653, 13314)]