289285906

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 623885976

約数和(自身を除く): 334600070

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 37, 38, 49, 74, 91, 98, 119, 133, 182, 221, 238, 247, 259, 266, 323, 361, 442, 481, 494, 518, 629, 637, 646, 703, 722, 833, 931, 962, 1258, 1274, 1406, 1547, 1666, 1729, 1813, 1862, 2261, 2527, 3094, 3367, 3458, 3626, 4199, 4403, 4522, 4693, 4921, 5054, 6137, 6734, 8177, 8398, 8806, 9139, 9386, 9842, 10829, 11951, 12103, 12274, 13357, 15827, 16354, 17689, 18278, 21658, 23569, 23902, 24206, 26714, 29393, 30821, 31654, 32851, 34447, 35378, 42959, 47138, 57239, 58786, 61642, 63973, 65702, 68894, 79781, 83657, 85918, 93499, 114478, 127946, 155363, 159562, 167314, 173641, 186998, 205751, 227069, 229957, 300713, 310726, 347282, 400673, 411502, 447811, 454138, 459914, 558467, 585599, 601426, 654493, 801346, 895622, 1087541, 1116934, 1171198, 1215487, 1308986, 1589483, 2175082, 2430974, 2951897, 3178966, 3909269, 5903794, 7612787, 7818538, 8508409, 11126381, 15225574, 17016818, 20663279, 22252762, 41326558, 144642953, 289285906]

約数ペア:

[(1, 289285906), (2, 144642953), (7, 41326558), (13, 22252762), (14, 20663279), (17, 17016818), (19, 15225574), (26, 11126381), (34, 8508409), (37, 7818538), (38, 7612787), (49, 5903794), (74, 3909269), (91, 3178966), (98, 2951897), (119, 2430974), (133, 2175082), (182, 1589483), (221, 1308986), (238, 1215487), (247, 1171198), (259, 1116934), (266, 1087541), (323, 895622), (361, 801346), (442, 654493), (481, 601426), (494, 585599), (518, 558467), (629, 459914), (637, 454138), (646, 447811), (703, 411502), (722, 400673), (833, 347282), (931, 310726), (962, 300713), (1258, 229957), (1274, 227069), (1406, 205751), (1547, 186998), (1666, 173641), (1729, 167314), (1813, 159562), (1862, 155363), (2261, 127946), (2527, 114478), (3094, 93499), (3367, 85918), (3458, 83657), (3626, 79781), (4199, 68894), (4403, 65702), (4522, 63973), (4693, 61642), (4921, 58786), (5054, 57239), (6137, 47138), (6734, 42959), (8177, 35378), (8398, 34447), (8806, 32851), (9139, 31654), (9386, 30821), (9842, 29393), (10829, 26714), (11951, 24206), (12103, 23902), (12274, 23569), (13357, 21658), (15827, 18278), (16354, 17689)]