181266764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 389168640

約数和(自身を除く): 207901876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 227, 266, 316, 361, 454, 532, 553, 722, 908, 1106, 1444, 1501, 1589, 2212, 2527, 3002, 3178, 4313, 5054, 6004, 6356, 8626, 10108, 10507, 17252, 17933, 21014, 28519, 30191, 35866, 42028, 57038, 60382, 71732, 81947, 114076, 120764, 125531, 163894, 199633, 251062, 327788, 340727, 399266, 502124, 573629, 681454, 798532, 1147258, 1362908, 2294516, 2385089, 4770178, 6473813, 9540356, 12947626, 25895252, 45316691, 90633382, 181266764]

約数ペア:

[(1, 181266764), (2, 90633382), (4, 45316691), (7, 25895252), (14, 12947626), (19, 9540356), (28, 6473813), (38, 4770178), (76, 2385089), (79, 2294516), (133, 1362908), (158, 1147258), (227, 798532), (266, 681454), (316, 573629), (361, 502124), (454, 399266), (532, 340727), (553, 327788), (722, 251062), (908, 199633), (1106, 163894), (1444, 125531), (1501, 120764), (1589, 114076), (2212, 81947), (2527, 71732), (3002, 60382), (3178, 57038), (4313, 42028), (5054, 35866), (6004, 30191), (6356, 28519), (8626, 21014), (10108, 17933), (10507, 17252)]