256880453758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1\times {\mathrm{997}}^1$

素因数の和:1793

約数の個数: 64

約数和(自身を含む): 414384929280

約数和(自身を除く): 157504475522

約数列:

[1, 2, 19, 38, 83, 151, 166, 302, 541, 997, 1082, 1577, 1994, 2869, 3154, 5738, 10279, 12533, 18943, 20558, 25066, 37886, 44903, 81691, 82751, 89806, 150547, 163382, 165502, 238127, 301094, 476254, 539377, 853157, 1078754, 1552129, 1572269, 1706314, 2860393, 3104258, 3144538, 5720786, 6780353, 10248163, 12495401, 13560706, 20496326, 24990802, 44768291, 81445927, 89536582, 128826707, 162891854, 237412619, 257653414, 474825238, 850597529, 1547472613, 1701195058, 3094945226, 6760011941, 13520023882, 128440226879, 256880453758]

約数ペア:

[(1, 256880453758), (2, 128440226879), (19, 13520023882), (38, 6760011941), (83, 3094945226), (151, 1701195058), (166, 1547472613), (302, 850597529), (541, 474825238), (997, 257653414), (1082, 237412619), (1577, 162891854), (1994, 128826707), (2869, 89536582), (3154, 81445927), (5738, 44768291), (10279, 24990802), (12533, 20496326), (18943, 13560706), (20558, 12495401), (25066, 10248163), (37886, 6780353), (44903, 5720786), (81691, 3144538), (82751, 3104258), (89806, 2860393), (150547, 1706314), (163382, 1572269), (165502, 1552129), (238127, 1078754), (301094, 853157), (476254, 539377)]