161373576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2063

約数の個数: 128

約数和(自身を含む): 510209280

約数和(自身を除く): 348835704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 259, 273, 296, 312, 364, 444, 481, 518, 546, 728, 777, 888, 962, 1036, 1092, 1443, 1554, 1924, 1997, 2072, 2184, 2886, 3108, 3367, 3848, 3994, 5772, 5991, 6216, 6734, 7988, 10101, 11544, 11982, 13468, 13979, 15976, 20202, 23964, 25961, 26936, 27958, 40404, 41937, 47928, 51922, 55916, 73889, 77883, 80808, 83874, 103844, 111832, 147778, 155766, 167748, 181727, 207688, 221667, 295556, 311532, 335496, 363454, 443334, 517223, 545181, 591112, 623064, 726908, 886668, 960557, 1034446, 1090362, 1453816, 1551669, 1773336, 1921114, 2068892, 2180724, 2881671, 3103338, 3842228, 4137784, 4361448, 5763342, 6206676, 6723899, 7684456, 11526684, 12413352, 13447798, 20171697, 23053368, 26895596, 40343394, 53791192, 80686788, 161373576]

約数ペア:

[(1, 161373576), (2, 80686788), (3, 53791192), (4, 40343394), (6, 26895596), (7, 23053368), (8, 20171697), (12, 13447798), (13, 12413352), (14, 11526684), (21, 7684456), (24, 6723899), (26, 6206676), (28, 5763342), (37, 4361448), (39, 4137784), (42, 3842228), (52, 3103338), (56, 2881671), (74, 2180724), (78, 2068892), (84, 1921114), (91, 1773336), (104, 1551669), (111, 1453816), (148, 1090362), (156, 1034446), (168, 960557), (182, 886668), (222, 726908), (259, 623064), (273, 591112), (296, 545181), (312, 517223), (364, 443334), (444, 363454), (481, 335496), (518, 311532), (546, 295556), (728, 221667), (777, 207688), (888, 181727), (962, 167748), (1036, 155766), (1092, 147778), (1443, 111832), (1554, 103844), (1924, 83874), (1997, 80808), (2072, 77883), (2184, 73889), (2886, 55916), (3108, 51922), (3367, 47928), (3848, 41937), (3994, 40404), (5772, 27958), (5991, 26936), (6216, 25961), (6734, 23964), (7988, 20202), (10101, 15976), (11544, 13979), (11982, 13468)]