261492014

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 496419840

約数和(自身を除く): 234927826

約数列:

[1, 2, 7, 14, 23, 29, 41, 46, 58, 82, 161, 203, 287, 322, 406, 574, 667, 683, 943, 1189, 1334, 1366, 1886, 2378, 4669, 4781, 6601, 8323, 9338, 9562, 13202, 15709, 16646, 19807, 27347, 28003, 31418, 39614, 54694, 56006, 109963, 138649, 191429, 196021, 219926, 277298, 382858, 392042, 455561, 644069, 812087, 911122, 1288138, 1624174, 3188927, 4508483, 5684609, 6377854, 9016966, 11369218, 18678001, 37356002, 130746007, 261492014]

約数ペア:

[(1, 261492014), (2, 130746007), (7, 37356002), (14, 18678001), (23, 11369218), (29, 9016966), (41, 6377854), (46, 5684609), (58, 4508483), (82, 3188927), (161, 1624174), (203, 1288138), (287, 911122), (322, 812087), (406, 644069), (574, 455561), (667, 392042), (683, 382858), (943, 277298), (1189, 219926), (1334, 196021), (1366, 191429), (1886, 138649), (2378, 109963), (4669, 56006), (4781, 54694), (6601, 39614), (8323, 31418), (9338, 28003), (9562, 27347), (13202, 19807), (15709, 16646)]