215865328

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 506842560

約数和(自身を除く): 290977232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 41, 56, 58, 82, 112, 116, 164, 203, 232, 287, 328, 406, 464, 574, 656, 812, 1148, 1189, 1621, 1624, 2296, 2378, 3242, 3248, 4592, 4756, 6484, 8323, 9512, 11347, 12968, 16646, 19024, 22694, 25936, 33292, 45388, 47009, 66461, 66584, 90776, 94018, 132922, 133168, 181552, 188036, 265844, 329063, 376072, 465227, 531688, 658126, 752144, 930454, 1063376, 1316252, 1860908, 1927369, 2632504, 3721816, 3854738, 5265008, 7443632, 7709476, 13491583, 15418952, 26983166, 30837904, 53966332, 107932664, 215865328]

約数ペア:

[(1, 215865328), (2, 107932664), (4, 53966332), (7, 30837904), (8, 26983166), (14, 15418952), (16, 13491583), (28, 7709476), (29, 7443632), (41, 5265008), (56, 3854738), (58, 3721816), (82, 2632504), (112, 1927369), (116, 1860908), (164, 1316252), (203, 1063376), (232, 930454), (287, 752144), (328, 658126), (406, 531688), (464, 465227), (574, 376072), (656, 329063), (812, 265844), (1148, 188036), (1189, 181552), (1621, 133168), (1624, 132922), (2296, 94018), (2378, 90776), (3242, 66584), (3248, 66461), (4592, 47009), (4756, 45388), (6484, 33292), (8323, 25936), (9512, 22694), (11347, 19024), (12968, 16646)]