254835438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 635539968

約数和(自身を除く): 380704530

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 67, 78, 93, 121, 134, 143, 169, 186, 201, 242, 286, 338, 341, 363, 402, 403, 429, 507, 682, 726, 737, 806, 858, 871, 1014, 1023, 1209, 1474, 1573, 1742, 1859, 2046, 2077, 2211, 2418, 2613, 3146, 3718, 3751, 4154, 4422, 4433, 4719, 5226, 5239, 5577, 6231, 7502, 8107, 8866, 9438, 9581, 10478, 11154, 11253, 11323, 12462, 13299, 15717, 16214, 19162, 20449, 22506, 22646, 22847, 24321, 26598, 27001, 28743, 31434, 33969, 40898, 45694, 48642, 48763, 54002, 57486, 57629, 61347, 67938, 68541, 81003, 97526, 105391, 115258, 122694, 124553, 137082, 146289, 162006, 172887, 210782, 249106, 251317, 292578, 297011, 316173, 345774, 351013, 373659, 502634, 594022, 632346, 633919, 702026, 747318, 753951, 891033, 1053039, 1267838, 1370083, 1507902, 1782066, 1901757, 2106078, 2740166, 3267121, 3803514, 3861143, 4110249, 6534242, 7722286, 8220498, 9801363, 11583429, 19602726, 23166858, 42472573, 84945146, 127417719, 254835438]

約数ペア:

[(1, 254835438), (2, 127417719), (3, 84945146), (6, 42472573), (11, 23166858), (13, 19602726), (22, 11583429), (26, 9801363), (31, 8220498), (33, 7722286), (39, 6534242), (62, 4110249), (66, 3861143), (67, 3803514), (78, 3267121), (93, 2740166), (121, 2106078), (134, 1901757), (143, 1782066), (169, 1507902), (186, 1370083), (201, 1267838), (242, 1053039), (286, 891033), (338, 753951), (341, 747318), (363, 702026), (402, 633919), (403, 632346), (429, 594022), (507, 502634), (682, 373659), (726, 351013), (737, 345774), (806, 316173), (858, 297011), (871, 292578), (1014, 251317), (1023, 249106), (1209, 210782), (1474, 172887), (1573, 162006), (1742, 146289), (1859, 137082), (2046, 124553), (2077, 122694), (2211, 115258), (2418, 105391), (2613, 97526), (3146, 81003), (3718, 68541), (3751, 67938), (4154, 61347), (4422, 57629), (4433, 57486), (4719, 54002), (5226, 48763), (5239, 48642), (5577, 45694), (6231, 40898), (7502, 33969), (8107, 31434), (8866, 28743), (9438, 27001), (9581, 26598), (10478, 24321), (11154, 22847), (11253, 22646), (11323, 22506), (12462, 20449), (13299, 19162), (15717, 16214)]