408873008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{10267}}^1$

素因数の和:10425

約数の個数: 40

約数和(自身を含む): 840333120

約数和(自身を除く): 431460112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 9956, 10267, 19912, 20534, 39824, 41068, 82136, 164272, 195073, 390146, 780292, 1344977, 1560584, 2689954, 3121168, 5379908, 10759816, 21519632, 25554563, 51109126, 102218252, 204436504, 408873008]

約数ペア:

[(1, 408873008), (2, 204436504), (4, 102218252), (8, 51109126), (16, 25554563), (19, 21519632), (38, 10759816), (76, 5379908), (131, 3121168), (152, 2689954), (262, 1560584), (304, 1344977), (524, 780292), (1048, 390146), (2096, 195073), (2489, 164272), (4978, 82136), (9956, 41068), (10267, 39824), (19912, 20534)]