28621404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 90773760

約数和(自身を除く): 62152356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 131, 153, 189, 204, 238, 252, 262, 289, 306, 357, 378, 393, 459, 476, 524, 578, 612, 714, 756, 786, 867, 917, 918, 1071, 1156, 1179, 1428, 1572, 1734, 1834, 1836, 2023, 2142, 2227, 2358, 2601, 2751, 3213, 3468, 3537, 3668, 4046, 4284, 4454, 4716, 5202, 5502, 6069, 6426, 6681, 7074, 7803, 8092, 8253, 8908, 10404, 11004, 12138, 12852, 13362, 14148, 15589, 15606, 16506, 18207, 20043, 24276, 24759, 26724, 31178, 31212, 33012, 36414, 37859, 40086, 46767, 49518, 54621, 60129, 62356, 72828, 75718, 80172, 93534, 99036, 109242, 113577, 120258, 140301, 151436, 187068, 218484, 227154, 240516, 265013, 280602, 340731, 420903, 454308, 530026, 561204, 681462, 795039, 841806, 1022193, 1060052, 1362924, 1590078, 1683612, 2044386, 2385117, 3180156, 4088772, 4770234, 7155351, 9540468, 14310702, 28621404]

約数ペア:

[(1, 28621404), (2, 14310702), (3, 9540468), (4, 7155351), (6, 4770234), (7, 4088772), (9, 3180156), (12, 2385117), (14, 2044386), (17, 1683612), (18, 1590078), (21, 1362924), (27, 1060052), (28, 1022193), (34, 841806), (36, 795039), (42, 681462), (51, 561204), (54, 530026), (63, 454308), (68, 420903), (84, 340731), (102, 280602), (108, 265013), (119, 240516), (126, 227154), (131, 218484), (153, 187068), (189, 151436), (204, 140301), (238, 120258), (252, 113577), (262, 109242), (289, 99036), (306, 93534), (357, 80172), (378, 75718), (393, 72828), (459, 62356), (476, 60129), (524, 54621), (578, 49518), (612, 46767), (714, 40086), (756, 37859), (786, 36414), (867, 33012), (917, 31212), (918, 31178), (1071, 26724), (1156, 24759), (1179, 24276), (1428, 20043), (1572, 18207), (1734, 16506), (1834, 15606), (1836, 15589), (2023, 14148), (2142, 13362), (2227, 12852), (2358, 12138), (2601, 11004), (2751, 10404), (3213, 8908), (3468, 8253), (3537, 8092), (3668, 7803), (4046, 7074), (4284, 6681), (4454, 6426), (4716, 6069), (5202, 5502)]