618618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 1677312

約数和(自身を除く): 1058694

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 103, 143, 154, 182, 206, 231, 273, 286, 309, 429, 462, 546, 618, 721, 858, 1001, 1133, 1339, 1442, 2002, 2163, 2266, 2678, 3003, 3399, 4017, 4326, 6006, 6798, 7931, 8034, 9373, 14729, 15862, 18746, 23793, 28119, 29458, 44187, 47586, 56238, 88374, 103103, 206206, 309309, 618618]

約数ペア:

[(1, 618618), (2, 309309), (3, 206206), (6, 103103), (7, 88374), (11, 56238), (13, 47586), (14, 44187), (21, 29458), (22, 28119), (26, 23793), (33, 18746), (39, 15862), (42, 14729), (66, 9373), (77, 8034), (78, 7931), (91, 6798), (103, 6006), (143, 4326), (154, 4017), (182, 3399), (206, 3003), (231, 2678), (273, 2266), (286, 2163), (309, 2002), (429, 1442), (462, 1339), (546, 1133), (618, 1001), (721, 858)]