256239522

素因数分解:

$2^1\times 3^2\times 7^6\times {\mathrm{11}}^2$

素因数の和:72

約数の個数: 126

約数和(自身を含む): 711952059

約数和(自身を除く): 455712537

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 121, 126, 147, 154, 198, 231, 242, 294, 343, 363, 441, 462, 539, 686, 693, 726, 847, 882, 1029, 1078, 1089, 1386, 1617, 1694, 2058, 2178, 2401, 2541, 3087, 3234, 3773, 4802, 4851, 5082, 5929, 6174, 7203, 7546, 7623, 9702, 11319, 11858, 14406, 15246, 16807, 17787, 21609, 22638, 26411, 33614, 33957, 35574, 41503, 43218, 50421, 52822, 53361, 67914, 79233, 83006, 100842, 106722, 117649, 124509, 151263, 158466, 184877, 235298, 237699, 249018, 290521, 302526, 352947, 369754, 373527, 475398, 554631, 581042, 705894, 747054, 871563, 1058841, 1109262, 1294139, 1663893, 1743126, 2033647, 2117682, 2588278, 2614689, 3327786, 3882417, 4067294, 5229378, 6100941, 7764834, 11647251, 12201882, 14235529, 18302823, 23294502, 28471058, 36605646, 42706587, 85413174, 128119761, 256239522]

約数ペア:

[(1, 256239522), (2, 128119761), (3, 85413174), (6, 42706587), (7, 36605646), (9, 28471058), (11, 23294502), (14, 18302823), (18, 14235529), (21, 12201882), (22, 11647251), (33, 7764834), (42, 6100941), (49, 5229378), (63, 4067294), (66, 3882417), (77, 3327786), (98, 2614689), (99, 2588278), (121, 2117682), (126, 2033647), (147, 1743126), (154, 1663893), (198, 1294139), (231, 1109262), (242, 1058841), (294, 871563), (343, 747054), (363, 705894), (441, 581042), (462, 554631), (539, 475398), (686, 373527), (693, 369754), (726, 352947), (847, 302526), (882, 290521), (1029, 249018), (1078, 237699), (1089, 235298), (1386, 184877), (1617, 158466), (1694, 151263), (2058, 124509), (2178, 117649), (2401, 106722), (2541, 100842), (3087, 83006), (3234, 79233), (3773, 67914), (4802, 53361), (4851, 52822), (5082, 50421), (5929, 43218), (6174, 41503), (7203, 35574), (7546, 33957), (7623, 33614), (9702, 26411), (11319, 22638), (11858, 21609), (14406, 17787), (15246, 16807)]