243997754

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 522619776

約数和(自身を除く): 278622022

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 49, 77, 91, 98, 143, 154, 161, 182, 253, 286, 299, 322, 506, 539, 598, 637, 757, 1001, 1078, 1127, 1274, 1514, 1771, 2002, 2093, 2254, 3289, 3542, 4186, 5299, 6578, 7007, 8327, 9841, 10598, 12397, 14014, 14651, 16654, 17411, 19682, 23023, 24794, 29302, 34822, 37093, 46046, 58289, 68887, 74186, 108251, 116578, 121877, 137774, 161161, 191521, 216502, 226343, 243754, 322322, 383042, 408023, 452686, 482209, 757757, 816046, 853139, 964418, 1340647, 1515514, 1584401, 1706278, 2489773, 2681294, 3168802, 4979546, 5304299, 9384529, 10608598, 11090807, 17428411, 18769058, 22181614, 34856822, 121998877, 243997754]

約数ペア:

[(1, 243997754), (2, 121998877), (7, 34856822), (11, 22181614), (13, 18769058), (14, 17428411), (22, 11090807), (23, 10608598), (26, 9384529), (46, 5304299), (49, 4979546), (77, 3168802), (91, 2681294), (98, 2489773), (143, 1706278), (154, 1584401), (161, 1515514), (182, 1340647), (253, 964418), (286, 853139), (299, 816046), (322, 757757), (506, 482209), (539, 452686), (598, 408023), (637, 383042), (757, 322322), (1001, 243754), (1078, 226343), (1127, 216502), (1274, 191521), (1514, 161161), (1771, 137774), (2002, 121877), (2093, 116578), (2254, 108251), (3289, 74186), (3542, 68887), (4186, 58289), (5299, 46046), (6578, 37093), (7007, 34822), (8327, 29302), (9841, 24794), (10598, 23023), (12397, 19682), (14014, 17411), (14651, 16654)]