78190476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 234075744

約数和(自身を除く): 155885268

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 53, 78, 84, 91, 98, 106, 147, 156, 159, 182, 193, 196, 212, 273, 294, 318, 364, 371, 386, 546, 579, 588, 636, 637, 689, 742, 772, 1092, 1113, 1158, 1274, 1351, 1378, 1484, 1911, 2067, 2226, 2316, 2509, 2548, 2597, 2702, 2756, 3822, 4053, 4134, 4452, 4823, 5018, 5194, 5404, 7527, 7644, 7791, 8106, 8268, 9457, 9646, 10036, 10229, 10388, 14469, 15054, 15582, 16212, 17563, 18914, 19292, 20458, 28371, 28938, 30108, 30687, 31164, 33761, 35126, 37828, 40916, 52689, 56742, 57876, 61374, 67522, 70252, 71603, 101283, 105378, 113484, 122748, 122941, 132977, 135044, 143206, 202566, 210756, 214809, 245882, 265954, 286412, 368823, 398931, 405132, 429618, 491764, 501221, 531908, 737646, 797862, 859236, 930839, 1002442, 1475292, 1503663, 1595724, 1861678, 2004884, 2792517, 3007326, 3723356, 5585034, 6014652, 6515873, 11170068, 13031746, 19547619, 26063492, 39095238, 78190476]

約数ペア:

[(1, 78190476), (2, 39095238), (3, 26063492), (4, 19547619), (6, 13031746), (7, 11170068), (12, 6515873), (13, 6014652), (14, 5585034), (21, 3723356), (26, 3007326), (28, 2792517), (39, 2004884), (42, 1861678), (49, 1595724), (52, 1503663), (53, 1475292), (78, 1002442), (84, 930839), (91, 859236), (98, 797862), (106, 737646), (147, 531908), (156, 501221), (159, 491764), (182, 429618), (193, 405132), (196, 398931), (212, 368823), (273, 286412), (294, 265954), (318, 245882), (364, 214809), (371, 210756), (386, 202566), (546, 143206), (579, 135044), (588, 132977), (636, 122941), (637, 122748), (689, 113484), (742, 105378), (772, 101283), (1092, 71603), (1113, 70252), (1158, 67522), (1274, 61374), (1351, 57876), (1378, 56742), (1484, 52689), (1911, 40916), (2067, 37828), (2226, 35126), (2316, 33761), (2509, 31164), (2548, 30687), (2597, 30108), (2702, 28938), (2756, 28371), (3822, 20458), (4053, 19292), (4134, 18914), (4452, 17563), (4823, 16212), (5018, 15582), (5194, 15054), (5404, 14469), (7527, 10388), (7644, 10229), (7791, 10036), (8106, 9646), (8268, 9457)]