261567356868

素因数分解:

$2^2\times 3^5\times {\mathrm{1103}}^1\times {\mathrm{243973}}^1$

素因数の和:245095

約数の個数: 72

約数和(自身を含む): 686296910208

約数和(自身を除く): 424729553340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 1103, 2206, 3309, 4412, 6618, 9927, 13236, 19854, 29781, 39708, 59562, 89343, 119124, 178686, 243973, 268029, 357372, 487946, 536058, 731919, 975892, 1072116, 1463838, 2195757, 2927676, 4391514, 6587271, 8783028, 13174542, 19761813, 26349084, 39523626, 59285439, 79047252, 118570878, 237141756, 269102219, 538204438, 807306657, 1076408876, 1614613314, 2421919971, 3229226628, 4843839942, 7265759913, 9687679884, 14531519826, 21797279739, 29063039652, 43594559478, 65391839217, 87189118956, 130783678434, 261567356868]

約数ペア:

[(1, 261567356868), (2, 130783678434), (3, 87189118956), (4, 65391839217), (6, 43594559478), (9, 29063039652), (12, 21797279739), (18, 14531519826), (27, 9687679884), (36, 7265759913), (54, 4843839942), (81, 3229226628), (108, 2421919971), (162, 1614613314), (243, 1076408876), (324, 807306657), (486, 538204438), (972, 269102219), (1103, 237141756), (2206, 118570878), (3309, 79047252), (4412, 59285439), (6618, 39523626), (9927, 26349084), (13236, 19761813), (19854, 13174542), (29781, 8783028), (39708, 6587271), (59562, 4391514), (89343, 2927676), (119124, 2195757), (178686, 1463838), (243973, 1072116), (268029, 975892), (357372, 731919), (487946, 536058)]