198998176

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1254

約数の個数: 72

約数和(自身を含む): 438286464

約数和(自身を除く): 239288288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 992, 1187, 1352, 1612, 2374, 2704, 3224, 4748, 5239, 5408, 6448, 9496, 10478, 12896, 15431, 18992, 20956, 30862, 36797, 37984, 41912, 61724, 73594, 83824, 123448, 147188, 167648, 200603, 246896, 294376, 401206, 478361, 493792, 588752, 802412, 956722, 1177504, 1604824, 1913444, 3209648, 3826888, 6218693, 6419296, 7653776, 12437386, 15307552, 24874772, 49749544, 99499088, 198998176]

約数ペア:

[(1, 198998176), (2, 99499088), (4, 49749544), (8, 24874772), (13, 15307552), (16, 12437386), (26, 7653776), (31, 6419296), (32, 6218693), (52, 3826888), (62, 3209648), (104, 1913444), (124, 1604824), (169, 1177504), (208, 956722), (248, 802412), (338, 588752), (403, 493792), (416, 478361), (496, 401206), (676, 294376), (806, 246896), (992, 200603), (1187, 167648), (1352, 147188), (1612, 123448), (2374, 83824), (2704, 73594), (3224, 61724), (4748, 41912), (5239, 37984), (5408, 36797), (6448, 30862), (9496, 20956), (10478, 18992), (12896, 15431)]