221582556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27851}}^1$

素因数の和:27891

約数の個数: 72

約数和(自身を含む): 638702064

約数和(自身を除く): 417119508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 27851, 55702, 83553, 111404, 167106, 250659, 334212, 362063, 473467, 501318, 724126, 946934, 1002636, 1086189, 1420401, 1448252, 1893868, 2172378, 2840802, 3258567, 4261203, 4344756, 5681604, 6155071, 6517134, 8522406, 12310142, 13034268, 17044812, 18465213, 24620284, 36930426, 55395639, 73860852, 110791278, 221582556]

約数ペア:

[(1, 221582556), (2, 110791278), (3, 73860852), (4, 55395639), (6, 36930426), (9, 24620284), (12, 18465213), (13, 17044812), (17, 13034268), (18, 12310142), (26, 8522406), (34, 6517134), (36, 6155071), (39, 5681604), (51, 4344756), (52, 4261203), (68, 3258567), (78, 2840802), (102, 2172378), (117, 1893868), (153, 1448252), (156, 1420401), (204, 1086189), (221, 1002636), (234, 946934), (306, 724126), (442, 501318), (468, 473467), (612, 362063), (663, 334212), (884, 250659), (1326, 167106), (1989, 111404), (2652, 83553), (3978, 55702), (7956, 27851)]