205805978

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 409546368

約数和(自身を除く): 203740390

約数列:

[1, 2, 7, 14, 17, 23, 34, 41, 46, 49, 82, 98, 119, 131, 161, 238, 262, 287, 322, 391, 574, 697, 782, 833, 917, 943, 1127, 1394, 1666, 1834, 1886, 2009, 2227, 2254, 2737, 3013, 4018, 4454, 4879, 5371, 5474, 6026, 6419, 6601, 9758, 10742, 12838, 13202, 15589, 16031, 19159, 21091, 31178, 32062, 34153, 37597, 38318, 42182, 46207, 51221, 68306, 75194, 91307, 92414, 102442, 109123, 112217, 123533, 147637, 182614, 218246, 224434, 247066, 263179, 295274, 358547, 526358, 639149, 717094, 785519, 864731, 1278298, 1571038, 1729462, 2100061, 2509829, 4200122, 4474043, 5019658, 6053117, 8948086, 12106234, 14700427, 29400854, 102902989, 205805978]

約数ペア:

[(1, 205805978), (2, 102902989), (7, 29400854), (14, 14700427), (17, 12106234), (23, 8948086), (34, 6053117), (41, 5019658), (46, 4474043), (49, 4200122), (82, 2509829), (98, 2100061), (119, 1729462), (131, 1571038), (161, 1278298), (238, 864731), (262, 785519), (287, 717094), (322, 639149), (391, 526358), (574, 358547), (697, 295274), (782, 263179), (833, 247066), (917, 224434), (943, 218246), (1127, 182614), (1394, 147637), (1666, 123533), (1834, 112217), (1886, 109123), (2009, 102442), (2227, 92414), (2254, 91307), (2737, 75194), (3013, 68306), (4018, 51221), (4454, 46207), (4879, 42182), (5371, 38318), (5474, 37597), (6026, 34153), (6419, 32062), (6601, 31178), (9758, 21091), (10742, 19159), (12838, 16031), (13202, 15589)]