290249414

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 555956352

約数和(自身を除く): 265706938

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 97, 182, 194, 287, 401, 533, 574, 679, 802, 1066, 1261, 1358, 2522, 2807, 3731, 3977, 5213, 5614, 7462, 7954, 8827, 10426, 16441, 17654, 27839, 32882, 36491, 38897, 51701, 55678, 72982, 77794, 103402, 115087, 213733, 230174, 272279, 361907, 427466, 505661, 544558, 723814, 1011322, 1496131, 1594777, 2992262, 3189554, 3539627, 7079254, 11163439, 20732101, 22326878, 41464202, 145124707, 290249414]

約数ペア:

[(1, 290249414), (2, 145124707), (7, 41464202), (13, 22326878), (14, 20732101), (26, 11163439), (41, 7079254), (82, 3539627), (91, 3189554), (97, 2992262), (182, 1594777), (194, 1496131), (287, 1011322), (401, 723814), (533, 544558), (574, 505661), (679, 427466), (802, 361907), (1066, 272279), (1261, 230174), (1358, 213733), (2522, 115087), (2807, 103402), (3731, 77794), (3977, 72982), (5213, 55678), (5614, 51701), (7462, 38897), (7954, 36491), (8827, 32882), (10426, 27839), (16441, 17654)]