81594968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 210470400

約数和(自身を除く): 128875432

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 119, 133, 136, 152, 182, 221, 238, 247, 266, 323, 347, 364, 442, 476, 494, 532, 646, 694, 728, 884, 952, 988, 1064, 1292, 1388, 1547, 1729, 1768, 1976, 2261, 2429, 2584, 2776, 3094, 3458, 4199, 4511, 4522, 4858, 5899, 6188, 6593, 6916, 8398, 9022, 9044, 9716, 11798, 12376, 13186, 13832, 16796, 18044, 18088, 19432, 23596, 26372, 29393, 31577, 33592, 36088, 41293, 46151, 47192, 52744, 58786, 63154, 76687, 82586, 85709, 92302, 112081, 117572, 126308, 153374, 165172, 171418, 184604, 224162, 235144, 252616, 306748, 330344, 342836, 369208, 448324, 536809, 599963, 613496, 685672, 784567, 896648, 1073618, 1199926, 1457053, 1569134, 2147236, 2399852, 2914106, 3138268, 4294472, 4799704, 5828212, 6276536, 10199371, 11656424, 20398742, 40797484, 81594968]

約数ペア:

[(1, 81594968), (2, 40797484), (4, 20398742), (7, 11656424), (8, 10199371), (13, 6276536), (14, 5828212), (17, 4799704), (19, 4294472), (26, 3138268), (28, 2914106), (34, 2399852), (38, 2147236), (52, 1569134), (56, 1457053), (68, 1199926), (76, 1073618), (91, 896648), (104, 784567), (119, 685672), (133, 613496), (136, 599963), (152, 536809), (182, 448324), (221, 369208), (238, 342836), (247, 330344), (266, 306748), (323, 252616), (347, 235144), (364, 224162), (442, 184604), (476, 171418), (494, 165172), (532, 153374), (646, 126308), (694, 117572), (728, 112081), (884, 92302), (952, 85709), (988, 82586), (1064, 76687), (1292, 63154), (1388, 58786), (1547, 52744), (1729, 47192), (1768, 46151), (1976, 41293), (2261, 36088), (2429, 33592), (2584, 31577), (2776, 29393), (3094, 26372), (3458, 23596), (4199, 19432), (4511, 18088), (4522, 18044), (4858, 16796), (5899, 13832), (6188, 13186), (6593, 12376), (6916, 11798), (8398, 9716), (9022, 9044)]