128521510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 266857920

約数和(自身を除く): 138336410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 61, 65, 95, 122, 130, 190, 247, 305, 494, 610, 793, 853, 1159, 1235, 1586, 1706, 2318, 2470, 3965, 4265, 5795, 7930, 8530, 11089, 11590, 15067, 16207, 22178, 30134, 32414, 52033, 55445, 75335, 81035, 104066, 110890, 150670, 162070, 210691, 260165, 421382, 520330, 676429, 988627, 1053455, 1352858, 1977254, 2106910, 3382145, 4943135, 6764290, 9886270, 12852151, 25704302, 64260755, 128521510]

約数ペア:

[(1, 128521510), (2, 64260755), (5, 25704302), (10, 12852151), (13, 9886270), (19, 6764290), (26, 4943135), (38, 3382145), (61, 2106910), (65, 1977254), (95, 1352858), (122, 1053455), (130, 988627), (190, 676429), (247, 520330), (305, 421382), (494, 260165), (610, 210691), (793, 162070), (853, 150670), (1159, 110890), (1235, 104066), (1586, 81035), (1706, 75335), (2318, 55445), (2470, 52033), (3965, 32414), (4265, 30134), (5795, 22178), (7930, 16207), (8530, 15067), (11089, 11590)]