28731402

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2668

約数の個数: 64

約数和(自身を含む): 75513600

約数和(自身を除く): 46782198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1827, 2621, 3654, 5242, 5481, 7863, 10962, 15726, 18347, 23589, 36694, 47178, 55041, 70767, 76009, 110082, 141534, 152018, 165123, 228027, 330246, 456054, 495369, 532063, 684081, 990738, 1064126, 1368162, 1596189, 2052243, 3192378, 4104486, 4788567, 9577134, 14365701, 28731402]

約数ペア:

[(1, 28731402), (2, 14365701), (3, 9577134), (6, 4788567), (7, 4104486), (9, 3192378), (14, 2052243), (18, 1596189), (21, 1368162), (27, 1064126), (29, 990738), (42, 684081), (54, 532063), (58, 495369), (63, 456054), (87, 330246), (126, 228027), (174, 165123), (189, 152018), (203, 141534), (261, 110082), (378, 76009), (406, 70767), (522, 55041), (609, 47178), (783, 36694), (1218, 23589), (1566, 18347), (1827, 15726), (2621, 10962), (3654, 7863), (5242, 5481)]