248870778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{547}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 567114240

約数和(自身を除く): 318243462

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 307, 494, 547, 614, 741, 921, 1094, 1482, 1641, 1842, 3282, 3991, 5833, 7111, 7982, 10393, 11666, 11973, 14222, 17499, 20786, 21333, 23946, 31179, 34998, 42666, 62358, 75829, 135109, 151658, 167929, 227487, 270218, 335858, 405327, 454974, 503787, 810654, 1007574, 2183077, 3190651, 4366154, 6381302, 6549231, 9571953, 13098462, 19143906, 41478463, 82956926, 124435389, 248870778]

約数ペア:

[(1, 248870778), (2, 124435389), (3, 82956926), (6, 41478463), (13, 19143906), (19, 13098462), (26, 9571953), (38, 6549231), (39, 6381302), (57, 4366154), (78, 3190651), (114, 2183077), (247, 1007574), (307, 810654), (494, 503787), (547, 454974), (614, 405327), (741, 335858), (921, 270218), (1094, 227487), (1482, 167929), (1641, 151658), (1842, 135109), (3282, 75829), (3991, 62358), (5833, 42666), (7111, 34998), (7982, 31179), (10393, 23946), (11666, 21333), (11973, 20786), (14222, 17499)]