639851856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6203}}^1$

素因数の和:6528

約数の個数: 80

約数和(自身を含む): 1895545344

約数和(自身を除く): 1255693488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 307, 336, 614, 921, 1228, 1842, 2149, 2456, 3684, 4298, 4912, 6203, 6447, 7368, 8596, 12406, 12894, 14736, 17192, 18609, 24812, 25788, 34384, 37218, 43421, 49624, 51576, 74436, 86842, 99248, 103152, 130263, 148872, 173684, 260526, 297744, 347368, 521052, 694736, 1042104, 1904321, 2084208, 3808642, 5712963, 7617284, 11425926, 13330247, 15234568, 22851852, 26660494, 30469136, 39990741, 45703704, 53320988, 79981482, 91407408, 106641976, 159962964, 213283952, 319925928, 639851856]

約数ペア:

[(1, 639851856), (2, 319925928), (3, 213283952), (4, 159962964), (6, 106641976), (7, 91407408), (8, 79981482), (12, 53320988), (14, 45703704), (16, 39990741), (21, 30469136), (24, 26660494), (28, 22851852), (42, 15234568), (48, 13330247), (56, 11425926), (84, 7617284), (112, 5712963), (168, 3808642), (307, 2084208), (336, 1904321), (614, 1042104), (921, 694736), (1228, 521052), (1842, 347368), (2149, 297744), (2456, 260526), (3684, 173684), (4298, 148872), (4912, 130263), (6203, 103152), (6447, 99248), (7368, 86842), (8596, 74436), (12406, 51576), (12894, 49624), (14736, 43421), (17192, 37218), (18609, 34384), (24812, 25788)]