291275504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 633292800

約数和(自身を除く): 342017296

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 199, 208, 227, 248, 398, 403, 454, 496, 796, 806, 908, 1592, 1612, 1816, 2587, 2951, 3184, 3224, 3632, 5174, 5902, 6169, 6448, 7037, 10348, 11804, 12338, 14074, 20696, 23608, 24676, 28148, 41392, 45173, 47216, 49352, 56296, 80197, 90346, 91481, 98704, 112592, 160394, 180692, 182962, 320788, 361384, 365924, 587249, 641576, 722768, 731848, 1174498, 1283152, 1400363, 1463696, 2348996, 2800726, 4697992, 5601452, 9395984, 11202904, 18204719, 22405808, 36409438, 72818876, 145637752, 291275504]

約数ペア:

[(1, 291275504), (2, 145637752), (4, 72818876), (8, 36409438), (13, 22405808), (16, 18204719), (26, 11202904), (31, 9395984), (52, 5601452), (62, 4697992), (104, 2800726), (124, 2348996), (199, 1463696), (208, 1400363), (227, 1283152), (248, 1174498), (398, 731848), (403, 722768), (454, 641576), (496, 587249), (796, 365924), (806, 361384), (908, 320788), (1592, 182962), (1612, 180692), (1816, 160394), (2587, 112592), (2951, 98704), (3184, 91481), (3224, 90346), (3632, 80197), (5174, 56296), (5902, 49352), (6169, 47216), (6448, 45173), (7037, 41392), (10348, 28148), (11804, 24676), (12338, 23608), (14074, 20696)]