4145648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 9114000

約数和(自身を除く): 4968352

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1049, 1976, 2098, 3952, 4196, 8392, 13637, 16784, 19931, 27274, 39862, 54548, 79724, 109096, 159448, 218192, 259103, 318896, 518206, 1036412, 2072824, 4145648]

約数ペア:

[(1, 4145648), (2, 2072824), (4, 1036412), (8, 518206), (13, 318896), (16, 259103), (19, 218192), (26, 159448), (38, 109096), (52, 79724), (76, 54548), (104, 39862), (152, 27274), (208, 19931), (247, 16784), (304, 13637), (494, 8392), (988, 4196), (1049, 3952), (1976, 2098)]