491567496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2635

約数の個数: 128

約数和(自身を含む): 1489551360

約数和(自身を除く): 997983864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 111, 124, 148, 168, 186, 217, 222, 248, 259, 296, 372, 434, 444, 518, 651, 744, 777, 868, 888, 1036, 1147, 1302, 1554, 1736, 2072, 2294, 2551, 2604, 3108, 3441, 4588, 5102, 5208, 6216, 6882, 7653, 8029, 9176, 10204, 13764, 15306, 16058, 17857, 20408, 24087, 27528, 30612, 32116, 35714, 48174, 53571, 61224, 64232, 71428, 79081, 94387, 96348, 107142, 142856, 158162, 188774, 192696, 214284, 237243, 283161, 316324, 377548, 428568, 474486, 553567, 566322, 632648, 660709, 755096, 948972, 1107134, 1132644, 1321418, 1660701, 1897944, 1982127, 2214268, 2265288, 2642836, 2925997, 3321402, 3964254, 4428536, 5285672, 5851994, 6642804, 7928508, 8777991, 11703988, 13285608, 15857016, 17555982, 20481979, 23407976, 35111964, 40963958, 61445937, 70223928, 81927916, 122891874, 163855832, 245783748, 491567496]

約数ペア:

[(1, 491567496), (2, 245783748), (3, 163855832), (4, 122891874), (6, 81927916), (7, 70223928), (8, 61445937), (12, 40963958), (14, 35111964), (21, 23407976), (24, 20481979), (28, 17555982), (31, 15857016), (37, 13285608), (42, 11703988), (56, 8777991), (62, 7928508), (74, 6642804), (84, 5851994), (93, 5285672), (111, 4428536), (124, 3964254), (148, 3321402), (168, 2925997), (186, 2642836), (217, 2265288), (222, 2214268), (248, 1982127), (259, 1897944), (296, 1660701), (372, 1321418), (434, 1132644), (444, 1107134), (518, 948972), (651, 755096), (744, 660709), (777, 632648), (868, 566322), (888, 553567), (1036, 474486), (1147, 428568), (1302, 377548), (1554, 316324), (1736, 283161), (2072, 237243), (2294, 214284), (2551, 192696), (2604, 188774), (3108, 158162), (3441, 142856), (4588, 107142), (5102, 96348), (5208, 94387), (6216, 79081), (6882, 71428), (7653, 64232), (8029, 61224), (9176, 53571), (10204, 48174), (13764, 35714), (15306, 32116), (16058, 30612), (17857, 27528), (20408, 24087)]