31239472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 71593632

約数和(自身を除く): 40354160

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 53, 68, 88, 106, 136, 176, 187, 197, 212, 272, 374, 394, 424, 583, 748, 788, 848, 901, 1166, 1496, 1576, 1802, 2167, 2332, 2992, 3152, 3349, 3604, 4334, 4664, 6698, 7208, 8668, 9328, 9911, 10441, 13396, 14416, 17336, 19822, 20882, 26792, 34672, 36839, 39644, 41764, 53584, 73678, 79288, 83528, 114851, 147356, 158576, 167056, 177497, 229702, 294712, 354994, 459404, 589424, 709988, 918808, 1419976, 1837616, 1952467, 2839952, 3904934, 7809868, 15619736, 31239472]

約数ペア:

[(1, 31239472), (2, 15619736), (4, 7809868), (8, 3904934), (11, 2839952), (16, 1952467), (17, 1837616), (22, 1419976), (34, 918808), (44, 709988), (53, 589424), (68, 459404), (88, 354994), (106, 294712), (136, 229702), (176, 177497), (187, 167056), (197, 158576), (212, 147356), (272, 114851), (374, 83528), (394, 79288), (424, 73678), (583, 53584), (748, 41764), (788, 39644), (848, 36839), (901, 34672), (1166, 26792), (1496, 20882), (1576, 19822), (1802, 17336), (2167, 14416), (2332, 13396), (2992, 10441), (3152, 9911), (3349, 9328), (3604, 8668), (4334, 7208), (4664, 6698)]