17665970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 38216448

約数和(自身を除く): 20550478

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1163, 1519, 2170, 2326, 3038, 5815, 7595, 8141, 11630, 15190, 16282, 36053, 40705, 56987, 72106, 81410, 113974, 180265, 252371, 284935, 360530, 504742, 569870, 1261855, 1766597, 2523710, 3533194, 8832985, 17665970]

約数ペア:

[(1, 17665970), (2, 8832985), (5, 3533194), (7, 2523710), (10, 1766597), (14, 1261855), (31, 569870), (35, 504742), (49, 360530), (62, 284935), (70, 252371), (98, 180265), (155, 113974), (217, 81410), (245, 72106), (310, 56987), (434, 40705), (490, 36053), (1085, 16282), (1163, 15190), (1519, 11630), (2170, 8141), (2326, 7595), (3038, 5815)]