25161928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 55080000

約数和(自身を除く): 29918072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 101, 149, 152, 202, 209, 298, 404, 418, 596, 808, 836, 1111, 1192, 1639, 1672, 1919, 2222, 2831, 3278, 3838, 4444, 5662, 6556, 7676, 8888, 11324, 13112, 15049, 15352, 21109, 22648, 30098, 31141, 42218, 60196, 62282, 84436, 120392, 124564, 165539, 168872, 249128, 285931, 331078, 571862, 662156, 1143724, 1324312, 2287448, 3145241, 6290482, 12580964, 25161928]

約数ペア:

[(1, 25161928), (2, 12580964), (4, 6290482), (8, 3145241), (11, 2287448), (19, 1324312), (22, 1143724), (38, 662156), (44, 571862), (76, 331078), (88, 285931), (101, 249128), (149, 168872), (152, 165539), (202, 124564), (209, 120392), (298, 84436), (404, 62282), (418, 60196), (596, 42218), (808, 31141), (836, 30098), (1111, 22648), (1192, 21109), (1639, 15352), (1672, 15049), (1919, 13112), (2222, 11324), (2831, 8888), (3278, 7676), (3838, 6556), (4444, 5662)]