12431556

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 35919576

約数和(自身を除く): 23488020

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 37, 51, 54, 61, 68, 74, 81, 102, 108, 111, 122, 148, 153, 162, 183, 204, 222, 244, 306, 324, 333, 366, 444, 459, 549, 612, 629, 666, 732, 918, 999, 1037, 1098, 1258, 1332, 1377, 1647, 1836, 1887, 1998, 2074, 2196, 2257, 2516, 2754, 2997, 3111, 3294, 3774, 3996, 4148, 4514, 4941, 5508, 5661, 5994, 6222, 6588, 6771, 7548, 9028, 9333, 9882, 11322, 11988, 12444, 13542, 16983, 18666, 19764, 20313, 22644, 27084, 27999, 33966, 37332, 38369, 40626, 50949, 55998, 60939, 67932, 76738, 81252, 83997, 101898, 111996, 115107, 121878, 153476, 167994, 182817, 203796, 230214, 243756, 335988, 345321, 365634, 460428, 690642, 731268, 1035963, 1381284, 2071926, 3107889, 4143852, 6215778, 12431556]

約数ペア:

[(1, 12431556), (2, 6215778), (3, 4143852), (4, 3107889), (6, 2071926), (9, 1381284), (12, 1035963), (17, 731268), (18, 690642), (27, 460428), (34, 365634), (36, 345321), (37, 335988), (51, 243756), (54, 230214), (61, 203796), (68, 182817), (74, 167994), (81, 153476), (102, 121878), (108, 115107), (111, 111996), (122, 101898), (148, 83997), (153, 81252), (162, 76738), (183, 67932), (204, 60939), (222, 55998), (244, 50949), (306, 40626), (324, 38369), (333, 37332), (366, 33966), (444, 27999), (459, 27084), (549, 22644), (612, 20313), (629, 19764), (666, 18666), (732, 16983), (918, 13542), (999, 12444), (1037, 11988), (1098, 11322), (1258, 9882), (1332, 9333), (1377, 9028), (1647, 7548), (1836, 6771), (1887, 6588), (1998, 6222), (2074, 5994), (2196, 5661), (2257, 5508), (2516, 4941), (2754, 4514), (2997, 4148), (3111, 3996), (3294, 3774)]