87920728

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 195048000

約数和(自身を除く): 107127272

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 149, 164, 257, 287, 298, 328, 514, 574, 596, 1028, 1043, 1148, 1192, 1799, 2056, 2086, 2296, 3598, 4172, 6109, 7196, 8344, 10537, 12218, 14392, 21074, 24436, 38293, 42148, 42763, 48872, 73759, 76586, 84296, 85526, 147518, 153172, 171052, 268051, 295036, 306344, 342104, 536102, 590072, 1072204, 1570013, 2144408, 3140026, 6280052, 10990091, 12560104, 21980182, 43960364, 87920728]

約数ペア:

[(1, 87920728), (2, 43960364), (4, 21980182), (7, 12560104), (8, 10990091), (14, 6280052), (28, 3140026), (41, 2144408), (56, 1570013), (82, 1072204), (149, 590072), (164, 536102), (257, 342104), (287, 306344), (298, 295036), (328, 268051), (514, 171052), (574, 153172), (596, 147518), (1028, 85526), (1043, 84296), (1148, 76586), (1192, 73759), (1799, 48872), (2056, 42763), (2086, 42148), (2296, 38293), (3598, 24436), (4172, 21074), (6109, 14392), (7196, 12218), (8344, 10537)]