221420538

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{7487}}^1$

素因数の和:7579

約数の個数: 48

約数和(自身を含む): 504631296

約数和(自身を除く): 283210758

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 93, 106, 159, 186, 279, 318, 477, 558, 954, 1643, 3286, 4929, 7487, 9858, 14787, 14974, 22461, 29574, 44922, 67383, 134766, 232097, 396811, 464194, 696291, 793622, 1190433, 1392582, 2088873, 2380866, 3571299, 4177746, 7142598, 12301141, 24602282, 36903423, 73806846, 110710269, 221420538]

約数ペア:

[(1, 221420538), (2, 110710269), (3, 73806846), (6, 36903423), (9, 24602282), (18, 12301141), (31, 7142598), (53, 4177746), (62, 3571299), (93, 2380866), (106, 2088873), (159, 1392582), (186, 1190433), (279, 793622), (318, 696291), (477, 464194), (558, 396811), (954, 232097), (1643, 134766), (3286, 67383), (4929, 44922), (7487, 29574), (9858, 22461), (14787, 14974)]