28490238

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 50306562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 29, 42, 46, 54, 58, 63, 69, 87, 113, 126, 138, 161, 174, 189, 203, 207, 226, 261, 322, 339, 378, 406, 414, 483, 522, 609, 621, 667, 678, 783, 791, 966, 1017, 1218, 1242, 1334, 1449, 1566, 1582, 1827, 2001, 2034, 2373, 2599, 2898, 3051, 3277, 3654, 4002, 4347, 4669, 4746, 5198, 5481, 6003, 6102, 6554, 7119, 7797, 8694, 9338, 9831, 10962, 12006, 14007, 14238, 15594, 18009, 18193, 19662, 21357, 22939, 23391, 28014, 29493, 36018, 36386, 42021, 42714, 45878, 46782, 54579, 58986, 68817, 70173, 75371, 84042, 88479, 109158, 126063, 137634, 140346, 150742, 163737, 176958, 206451, 226113, 252126, 327474, 412902, 452226, 491211, 527597, 619353, 678339, 982422, 1055194, 1238706, 1356678, 1582791, 2035017, 3165582, 4070034, 4748373, 9496746, 14245119, 28490238]

約数ペア:

[(1, 28490238), (2, 14245119), (3, 9496746), (6, 4748373), (7, 4070034), (9, 3165582), (14, 2035017), (18, 1582791), (21, 1356678), (23, 1238706), (27, 1055194), (29, 982422), (42, 678339), (46, 619353), (54, 527597), (58, 491211), (63, 452226), (69, 412902), (87, 327474), (113, 252126), (126, 226113), (138, 206451), (161, 176958), (174, 163737), (189, 150742), (203, 140346), (207, 137634), (226, 126063), (261, 109158), (322, 88479), (339, 84042), (378, 75371), (406, 70173), (414, 68817), (483, 58986), (522, 54579), (609, 46782), (621, 45878), (667, 42714), (678, 42021), (783, 36386), (791, 36018), (966, 29493), (1017, 28014), (1218, 23391), (1242, 22939), (1334, 21357), (1449, 19662), (1566, 18193), (1582, 18009), (1827, 15594), (2001, 14238), (2034, 14007), (2373, 12006), (2599, 10962), (2898, 9831), (3051, 9338), (3277, 8694), (3654, 7797), (4002, 7119), (4347, 6554), (4669, 6102), (4746, 6003), (5198, 5481)]