90717172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 207009600

約数和(自身を除く): 116292428

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 338, 364, 494, 532, 676, 988, 1009, 1183, 1729, 2018, 2366, 3211, 3458, 4036, 4732, 6422, 6916, 7063, 12844, 13117, 14126, 19171, 22477, 26234, 28252, 38342, 44954, 52468, 76684, 89908, 91819, 134197, 170521, 183638, 249223, 268394, 341042, 367276, 498446, 536788, 682084, 996892, 1193647, 1744561, 2387294, 3239899, 3489122, 4774588, 6479798, 6978244, 12959596, 22679293, 45358586, 90717172]

約数ペア:

[(1, 90717172), (2, 45358586), (4, 22679293), (7, 12959596), (13, 6978244), (14, 6479798), (19, 4774588), (26, 3489122), (28, 3239899), (38, 2387294), (52, 1744561), (76, 1193647), (91, 996892), (133, 682084), (169, 536788), (182, 498446), (247, 367276), (266, 341042), (338, 268394), (364, 249223), (494, 183638), (532, 170521), (676, 134197), (988, 91819), (1009, 89908), (1183, 76684), (1729, 52468), (2018, 44954), (2366, 38342), (3211, 28252), (3458, 26234), (4036, 22477), (4732, 19171), (6422, 14126), (6916, 13117), (7063, 12844)]