161505536

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 340644864

約数和(自身を除く): 179139328

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 188, 248, 256, 376, 433, 496, 752, 866, 992, 1457, 1504, 1732, 1984, 2914, 3008, 3464, 3968, 5828, 6016, 6928, 7936, 11656, 12032, 13423, 13856, 20351, 23312, 26846, 27712, 40702, 46624, 53692, 55424, 81404, 93248, 107384, 110848, 162808, 186496, 214768, 325616, 372992, 429536, 630881, 651232, 859072, 1261762, 1302464, 1718144, 2523524, 2604928, 3436288, 5047048, 5209856, 10094096, 20188192, 40376384, 80752768, 161505536]

約数ペア:

[(1, 161505536), (2, 80752768), (4, 40376384), (8, 20188192), (16, 10094096), (31, 5209856), (32, 5047048), (47, 3436288), (62, 2604928), (64, 2523524), (94, 1718144), (124, 1302464), (128, 1261762), (188, 859072), (248, 651232), (256, 630881), (376, 429536), (433, 372992), (496, 325616), (752, 214768), (866, 186496), (992, 162808), (1457, 110848), (1504, 107384), (1732, 93248), (1984, 81404), (2914, 55424), (3008, 53692), (3464, 46624), (3968, 40702), (5828, 27712), (6016, 26846), (6928, 23312), (7936, 20351), (11656, 13856), (12032, 13423)]