211902145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 330333696

約数和(自身を除く): 118431551

約数列:

[1, 5, 7, 13, 35, 37, 41, 65, 91, 185, 205, 259, 287, 307, 455, 481, 533, 1295, 1435, 1517, 1535, 2149, 2405, 2665, 3367, 3731, 3991, 7585, 10619, 10745, 11359, 12587, 16835, 18655, 19721, 19955, 27937, 53095, 56795, 62935, 79513, 88109, 98605, 138047, 139685, 147667, 163631, 397565, 440545, 465719, 690235, 738335, 818155, 1033669, 1145417, 2328595, 3260033, 5168345, 5727085, 6054347, 16300165, 30271735, 42380429, 211902145]

約数ペア:

[(1, 211902145), (5, 42380429), (7, 30271735), (13, 16300165), (35, 6054347), (37, 5727085), (41, 5168345), (65, 3260033), (91, 2328595), (185, 1145417), (205, 1033669), (259, 818155), (287, 738335), (307, 690235), (455, 465719), (481, 440545), (533, 397565), (1295, 163631), (1435, 147667), (1517, 139685), (1535, 138047), (2149, 98605), (2405, 88109), (2665, 79513), (3367, 62935), (3731, 56795), (3991, 53095), (7585, 27937), (10619, 19955), (10745, 19721), (11359, 18655), (12587, 16835)]