1378778863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 1880064000

約数和(自身を除く): 501285137

約数列:

[1, 7, 11, 17, 67, 77, 79, 119, 187, 199, 469, 553, 737, 869, 1139, 1309, 1343, 1393, 2189, 3383, 5159, 5293, 6083, 7973, 9401, 12529, 13333, 14773, 15323, 15721, 23681, 37051, 37213, 58223, 87703, 89981, 93331, 103411, 110047, 146663, 172931, 226661, 260491, 267257, 407561, 629867, 989791, 1026641, 1053307, 1210517, 1586627, 1870799, 2493271, 2939827, 6928537, 7373149, 11586377, 17452897, 17906219, 20578789, 81104639, 125343533, 196968409, 1378778863]

約数ペア:

[(1, 1378778863), (7, 196968409), (11, 125343533), (17, 81104639), (67, 20578789), (77, 17906219), (79, 17452897), (119, 11586377), (187, 7373149), (199, 6928537), (469, 2939827), (553, 2493271), (737, 1870799), (869, 1586627), (1139, 1210517), (1309, 1053307), (1343, 1026641), (1393, 989791), (2189, 629867), (3383, 407561), (5159, 267257), (5293, 260491), (6083, 226661), (7973, 172931), (9401, 146663), (12529, 110047), (13333, 103411), (14773, 93331), (15323, 89981), (15721, 87703), (23681, 58223), (37051, 37213)]