238423172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{977}}^1$

素因数の和:1045

約数の個数: 54

約数和(自身を含む): 477323658

約数和(自身を除く): 238900486

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 361, 494, 676, 722, 977, 988, 1444, 1954, 3211, 3908, 4693, 6422, 9386, 12701, 12844, 18563, 18772, 25402, 37126, 50804, 61009, 74252, 122018, 165113, 241319, 244036, 330226, 352697, 482638, 660452, 705394, 965276, 1410788, 3137147, 4585061, 6274294, 9170122, 12548588, 18340244, 59605793, 119211586, 238423172]

約数ペア:

[(1, 238423172), (2, 119211586), (4, 59605793), (13, 18340244), (19, 12548588), (26, 9170122), (38, 6274294), (52, 4585061), (76, 3137147), (169, 1410788), (247, 965276), (338, 705394), (361, 660452), (494, 482638), (676, 352697), (722, 330226), (977, 244036), (988, 241319), (1444, 165113), (1954, 122018), (3211, 74252), (3908, 61009), (4693, 50804), (6422, 37126), (9386, 25402), (12701, 18772), (12844, 18563)]