219321382

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2789}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 388100160

約数和(自身を除く): 168778778

約数列:

[1, 2, 7, 14, 41, 82, 137, 274, 287, 574, 959, 1918, 2789, 5578, 5617, 11234, 19523, 39046, 39319, 78638, 114349, 228698, 382093, 764186, 800443, 1600886, 2674651, 5349302, 15665813, 31331626, 109660691, 219321382]

約数ペア:

[(1, 219321382), (2, 109660691), (7, 31331626), (14, 15665813), (41, 5349302), (82, 2674651), (137, 1600886), (274, 800443), (287, 764186), (574, 382093), (959, 228698), (1918, 114349), (2789, 78638), (5578, 39319), (5617, 39046), (11234, 19523)]