221265252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6753

約数の個数: 72

約数和(自身を含む): 610908480

約数和(自身を除く): 389643228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 5538, 6659, 8307, 11076, 13318, 16614, 19977, 26636, 33228, 39954, 59931, 79908, 86567, 119862, 173134, 239724, 259701, 346268, 472789, 519402, 779103, 945578, 1038804, 1418367, 1558206, 1891156, 2836734, 3116412, 4255101, 5673468, 6146257, 8510202, 12292514, 17020404, 18438771, 24585028, 36877542, 55316313, 73755084, 110632626, 221265252]

約数ペア:

[(1, 221265252), (2, 110632626), (3, 73755084), (4, 55316313), (6, 36877542), (9, 24585028), (12, 18438771), (13, 17020404), (18, 12292514), (26, 8510202), (36, 6146257), (39, 5673468), (52, 4255101), (71, 3116412), (78, 2836734), (117, 1891156), (142, 1558206), (156, 1418367), (213, 1038804), (234, 945578), (284, 779103), (426, 519402), (468, 472789), (639, 346268), (852, 259701), (923, 239724), (1278, 173134), (1846, 119862), (2556, 86567), (2769, 79908), (3692, 59931), (5538, 39954), (6659, 33228), (8307, 26636), (11076, 19977), (13318, 16614)]