398565728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{1109}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 857621520

約数和(自身を除く): 459055792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 1021, 1109, 2042, 2218, 4084, 4436, 8168, 8872, 11231, 12199, 16336, 17744, 22462, 24398, 32672, 35488, 44924, 48796, 89848, 97592, 179696, 195184, 359392, 390368, 1132289, 2264578, 4529156, 9058312, 12455179, 18116624, 24910358, 36233248, 49820716, 99641432, 199282864, 398565728]

約数ペア:

[(1, 398565728), (2, 199282864), (4, 99641432), (8, 49820716), (11, 36233248), (16, 24910358), (22, 18116624), (32, 12455179), (44, 9058312), (88, 4529156), (176, 2264578), (352, 1132289), (1021, 390368), (1109, 359392), (2042, 195184), (2218, 179696), (4084, 97592), (4436, 89848), (8168, 48796), (8872, 44924), (11231, 35488), (12199, 32672), (16336, 24398), (17744, 22462)]