221369076

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{8747}}^1$

素因数の和:8813

約数の個数: 72

約数和(自身を含む): 605011680

約数和(自身を除く): 383642604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 4218, 6327, 8436, 8747, 12654, 17494, 25308, 26241, 34988, 52482, 78723, 104964, 157446, 166193, 314892, 323639, 332386, 498579, 647278, 664772, 970917, 997158, 1294556, 1495737, 1941834, 1994316, 2912751, 2991474, 3883668, 5825502, 5982948, 6149141, 11651004, 12298282, 18447423, 24596564, 36894846, 55342269, 73789692, 110684538, 221369076]

約数ペア:

[(1, 221369076), (2, 110684538), (3, 73789692), (4, 55342269), (6, 36894846), (9, 24596564), (12, 18447423), (18, 12298282), (19, 11651004), (36, 6149141), (37, 5982948), (38, 5825502), (57, 3883668), (74, 2991474), (76, 2912751), (111, 1994316), (114, 1941834), (148, 1495737), (171, 1294556), (222, 997158), (228, 970917), (333, 664772), (342, 647278), (444, 498579), (666, 332386), (684, 323639), (703, 314892), (1332, 166193), (1406, 157446), (2109, 104964), (2812, 78723), (4218, 52482), (6327, 34988), (8436, 26241), (8747, 25308), (12654, 17494)]