291235568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3642

約数の個数: 80

約数和(自身を含む): 671582016

約数和(自身を除く): 380346448

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 208, 221, 272, 299, 368, 391, 442, 598, 782, 884, 1196, 1564, 1768, 2392, 3128, 3536, 3581, 4784, 5083, 6256, 7162, 10166, 14324, 20332, 28648, 40664, 46553, 57296, 60877, 81328, 82363, 93106, 121754, 164726, 186212, 243508, 329452, 372424, 487016, 658904, 744848, 791401, 974032, 1070719, 1317808, 1400171, 1582802, 2141438, 2800342, 3165604, 4282876, 5600684, 6331208, 8565752, 11201368, 12662416, 17131504, 18202223, 22402736, 36404446, 72808892, 145617784, 291235568]

約数ペア:

[(1, 291235568), (2, 145617784), (4, 72808892), (8, 36404446), (13, 22402736), (16, 18202223), (17, 17131504), (23, 12662416), (26, 11201368), (34, 8565752), (46, 6331208), (52, 5600684), (68, 4282876), (92, 3165604), (104, 2800342), (136, 2141438), (184, 1582802), (208, 1400171), (221, 1317808), (272, 1070719), (299, 974032), (368, 791401), (391, 744848), (442, 658904), (598, 487016), (782, 372424), (884, 329452), (1196, 243508), (1564, 186212), (1768, 164726), (2392, 121754), (3128, 93106), (3536, 82363), (3581, 81328), (4784, 60877), (5083, 57296), (6256, 46553), (7162, 40664), (10166, 28648), (14324, 20332)]