25211556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 73382400

約数和(自身を除く): 48170844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 31, 36, 38, 41, 57, 58, 62, 76, 82, 87, 93, 114, 116, 123, 124, 164, 171, 174, 186, 228, 246, 261, 279, 342, 348, 369, 372, 492, 522, 551, 558, 589, 684, 738, 779, 899, 1044, 1102, 1116, 1178, 1189, 1271, 1476, 1558, 1653, 1767, 1798, 2204, 2337, 2356, 2378, 2542, 2697, 3116, 3306, 3534, 3567, 3596, 3813, 4674, 4756, 4959, 5084, 5301, 5394, 6612, 7011, 7068, 7134, 7626, 8091, 9348, 9918, 10602, 10701, 10788, 11439, 14022, 14268, 15252, 16182, 17081, 19836, 21204, 21402, 22591, 22878, 24149, 28044, 32364, 34162, 36859, 42804, 45182, 45756, 48298, 51243, 67773, 68324, 72447, 73718, 90364, 96596, 102486, 110577, 135546, 144894, 147436, 153729, 203319, 204972, 217341, 221154, 271092, 289788, 307458, 331731, 406638, 434682, 442308, 614916, 663462, 700321, 813276, 869364, 1326924, 1400642, 2100963, 2801284, 4201926, 6302889, 8403852, 12605778, 25211556]

約数ペア:

[(1, 25211556), (2, 12605778), (3, 8403852), (4, 6302889), (6, 4201926), (9, 2801284), (12, 2100963), (18, 1400642), (19, 1326924), (29, 869364), (31, 813276), (36, 700321), (38, 663462), (41, 614916), (57, 442308), (58, 434682), (62, 406638), (76, 331731), (82, 307458), (87, 289788), (93, 271092), (114, 221154), (116, 217341), (123, 204972), (124, 203319), (164, 153729), (171, 147436), (174, 144894), (186, 135546), (228, 110577), (246, 102486), (261, 96596), (279, 90364), (342, 73718), (348, 72447), (369, 68324), (372, 67773), (492, 51243), (522, 48298), (551, 45756), (558, 45182), (589, 42804), (684, 36859), (738, 34162), (779, 32364), (899, 28044), (1044, 24149), (1102, 22878), (1116, 22591), (1178, 21402), (1189, 21204), (1271, 19836), (1476, 17081), (1558, 16182), (1653, 15252), (1767, 14268), (1798, 14022), (2204, 11439), (2337, 10788), (2356, 10701), (2378, 10602), (2542, 9918), (2697, 9348), (3116, 8091), (3306, 7626), (3534, 7134), (3567, 7068), (3596, 7011), (3813, 6612), (4674, 5394), (4756, 5301), (4959, 5084)]