220991004

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17489}}^1$

素因数の和:17521

約数の個数: 72

約数和(自身を含む): 623903280

約数和(自身を除く): 402912276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 17489, 34978, 52467, 69956, 104934, 157401, 209868, 227357, 314802, 454714, 472203, 629604, 682071, 909428, 944406, 1364142, 1416609, 1888812, 2046213, 2728284, 2833218, 4092426, 4249827, 5666436, 6138639, 8184852, 8499654, 12277278, 16999308, 18415917, 24554556, 36831834, 55247751, 73663668, 110495502, 220991004]

約数ペア:

[(1, 220991004), (2, 110495502), (3, 73663668), (4, 55247751), (6, 36831834), (9, 24554556), (12, 18415917), (13, 16999308), (18, 12277278), (26, 8499654), (27, 8184852), (36, 6138639), (39, 5666436), (52, 4249827), (54, 4092426), (78, 2833218), (81, 2728284), (108, 2046213), (117, 1888812), (156, 1416609), (162, 1364142), (234, 944406), (243, 909428), (324, 682071), (351, 629604), (468, 472203), (486, 454714), (702, 314802), (972, 227357), (1053, 209868), (1404, 157401), (2106, 104934), (3159, 69956), (4212, 52467), (6318, 34978), (12636, 17489)]