31231914

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2651

約数の個数: 48

約数和(自身を含む): 74462976

約数和(自身を除く): 43231062

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1722, 2009, 2591, 4018, 5182, 6027, 7773, 12054, 15546, 18137, 36274, 54411, 106231, 108822, 126959, 212462, 253918, 318693, 380877, 637386, 743617, 761754, 1487234, 2230851, 4461702, 5205319, 10410638, 15615957, 31231914]

約数ペア:

[(1, 31231914), (2, 15615957), (3, 10410638), (6, 5205319), (7, 4461702), (14, 2230851), (21, 1487234), (41, 761754), (42, 743617), (49, 637386), (82, 380877), (98, 318693), (123, 253918), (147, 212462), (246, 126959), (287, 108822), (294, 106231), (574, 54411), (861, 36274), (1722, 18137), (2009, 15546), (2591, 12054), (4018, 7773), (5182, 6027)]