291228248

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 578340000

約数和(自身を除く): 287111752

約数列:

[1, 2, 4, 8, 41, 59, 82, 101, 118, 149, 164, 202, 236, 298, 328, 404, 472, 596, 808, 1192, 2419, 4141, 4838, 5959, 6109, 8282, 8791, 9676, 11918, 12218, 15049, 16564, 17582, 19352, 23836, 24436, 30098, 33128, 35164, 47672, 48872, 60196, 70328, 120392, 244319, 360431, 488638, 617009, 720862, 887891, 977276, 1234018, 1441724, 1775782, 1954552, 2468036, 2883448, 3551564, 4936072, 7103128, 36403531, 72807062, 145614124, 291228248]

約数ペア:

[(1, 291228248), (2, 145614124), (4, 72807062), (8, 36403531), (41, 7103128), (59, 4936072), (82, 3551564), (101, 2883448), (118, 2468036), (149, 1954552), (164, 1775782), (202, 1441724), (236, 1234018), (298, 977276), (328, 887891), (404, 720862), (472, 617009), (596, 488638), (808, 360431), (1192, 244319), (2419, 120392), (4141, 70328), (4838, 60196), (5959, 48872), (6109, 47672), (8282, 35164), (8791, 33128), (9676, 30098), (11918, 24436), (12218, 23836), (15049, 19352), (16564, 17582)]