31221008

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 76411776

約数和(自身を除く): 45190768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 523, 533, 574, 656, 728, 1046, 1066, 1148, 1456, 2092, 2132, 2296, 3661, 3731, 4184, 4264, 4592, 6799, 7322, 7462, 8368, 8528, 13598, 14644, 14924, 21443, 27196, 29288, 29848, 42886, 47593, 54392, 58576, 59696, 85772, 95186, 108784, 150101, 171544, 190372, 278759, 300202, 343088, 380744, 557518, 600404, 761488, 1115036, 1200808, 1951313, 2230072, 2401616, 3902626, 4460144, 7805252, 15610504, 31221008]

約数ペア:

[(1, 31221008), (2, 15610504), (4, 7805252), (7, 4460144), (8, 3902626), (13, 2401616), (14, 2230072), (16, 1951313), (26, 1200808), (28, 1115036), (41, 761488), (52, 600404), (56, 557518), (82, 380744), (91, 343088), (104, 300202), (112, 278759), (164, 190372), (182, 171544), (208, 150101), (287, 108784), (328, 95186), (364, 85772), (523, 59696), (533, 58576), (574, 54392), (656, 47593), (728, 42886), (1046, 29848), (1066, 29288), (1148, 27196), (1456, 21443), (2092, 14924), (2132, 14644), (2296, 13598), (3661, 8528), (3731, 8368), (4184, 7462), (4264, 7322), (4592, 6799)]