290991194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 514805760

約数和(自身を除く): 223814566

約数列:

[1, 2, 13, 19, 26, 38, 47, 83, 94, 151, 166, 247, 302, 494, 611, 893, 1079, 1222, 1577, 1786, 1963, 2158, 2869, 3154, 3901, 3926, 5738, 7097, 7802, 11609, 12533, 14194, 20501, 23218, 25066, 37297, 41002, 50713, 74119, 74594, 92261, 101426, 134843, 148238, 162929, 184522, 238127, 269686, 325858, 476254, 589051, 963547, 1178102, 1752959, 1927094, 3095651, 3505918, 6191302, 7657663, 11191969, 15315326, 22383938, 145495597, 290991194]

約数ペア:

[(1, 290991194), (2, 145495597), (13, 22383938), (19, 15315326), (26, 11191969), (38, 7657663), (47, 6191302), (83, 3505918), (94, 3095651), (151, 1927094), (166, 1752959), (247, 1178102), (302, 963547), (494, 589051), (611, 476254), (893, 325858), (1079, 269686), (1222, 238127), (1577, 184522), (1786, 162929), (1963, 148238), (2158, 134843), (2869, 101426), (3154, 92261), (3901, 74594), (3926, 74119), (5738, 50713), (7097, 41002), (7802, 37297), (11609, 25066), (12533, 23218), (14194, 20501)]