216542812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 404619264

約数和(自身を除く): 188076452

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 191, 223, 382, 446, 764, 892, 1271, 2542, 5084, 5921, 6913, 7831, 9143, 11842, 13826, 15662, 18286, 23684, 27652, 31324, 36572, 42593, 85186, 170372, 242761, 283433, 485522, 566866, 971044, 1133732, 1320383, 1746313, 2640766, 3492626, 5281532, 6985252, 54135703, 108271406, 216542812]

約数ペア:

[(1, 216542812), (2, 108271406), (4, 54135703), (31, 6985252), (41, 5281532), (62, 3492626), (82, 2640766), (124, 1746313), (164, 1320383), (191, 1133732), (223, 971044), (382, 566866), (446, 485522), (764, 283433), (892, 242761), (1271, 170372), (2542, 85186), (5084, 42593), (5921, 36572), (6913, 31324), (7831, 27652), (9143, 23684), (11842, 18286), (13826, 15662)]