221759244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28387}}^1$

素因数の和:28435

約数の個数: 72

約数和(自身を含む): 661326848

約数和(自身を除く): 439567604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 28387, 56774, 85161, 113548, 170322, 198709, 255483, 340644, 397418, 510966, 596127, 794836, 879997, 1021932, 1192254, 1759994, 1788381, 2384508, 2639991, 3519988, 3576762, 5279982, 6159979, 7153524, 7919973, 10559964, 12319958, 15839946, 18479937, 24639916, 31679892, 36959874, 55439811, 73919748, 110879622, 221759244]

約数ペア:

[(1, 221759244), (2, 110879622), (3, 73919748), (4, 55439811), (6, 36959874), (7, 31679892), (9, 24639916), (12, 18479937), (14, 15839946), (18, 12319958), (21, 10559964), (28, 7919973), (31, 7153524), (36, 6159979), (42, 5279982), (62, 3576762), (63, 3519988), (84, 2639991), (93, 2384508), (124, 1788381), (126, 1759994), (186, 1192254), (217, 1021932), (252, 879997), (279, 794836), (372, 596127), (434, 510966), (558, 397418), (651, 340644), (868, 255483), (1116, 198709), (1302, 170322), (1953, 113548), (2604, 85161), (3906, 56774), (7812, 28387)]