538487964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{21157}}^1$

素因数の和:21275

約数の個数: 72

約数和(自身を含む): 1571108448

約数和(自身を除く): 1032620484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1414, 1818, 2121, 2828, 3636, 4242, 6363, 8484, 12726, 21157, 25452, 42314, 63471, 84628, 126942, 148099, 190413, 253884, 296198, 380826, 444297, 592396, 761652, 888594, 1332891, 1777188, 2136857, 2665782, 4273714, 5331564, 6410571, 8547428, 12821142, 14957999, 19231713, 25642284, 29915998, 38463426, 44873997, 59831996, 76926852, 89747994, 134621991, 179495988, 269243982, 538487964]

約数ペア:

[(1, 538487964), (2, 269243982), (3, 179495988), (4, 134621991), (6, 89747994), (7, 76926852), (9, 59831996), (12, 44873997), (14, 38463426), (18, 29915998), (21, 25642284), (28, 19231713), (36, 14957999), (42, 12821142), (63, 8547428), (84, 6410571), (101, 5331564), (126, 4273714), (202, 2665782), (252, 2136857), (303, 1777188), (404, 1332891), (606, 888594), (707, 761652), (909, 592396), (1212, 444297), (1414, 380826), (1818, 296198), (2121, 253884), (2828, 190413), (3636, 148099), (4242, 126942), (6363, 84628), (8484, 63471), (12726, 42314), (21157, 25452)]