89872615

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 134447040

約数和(自身を除く): 44574425

約数列:

[1, 5, 7, 23, 35, 41, 49, 115, 161, 205, 245, 287, 389, 805, 943, 1127, 1435, 1945, 2009, 2723, 4715, 5635, 6601, 8947, 10045, 13615, 15949, 19061, 33005, 44735, 46207, 62629, 79745, 95305, 111643, 231035, 313145, 366827, 438403, 558215, 781501, 1834135, 2192015, 2567789, 3907505, 12838945, 17974523, 89872615]

約数ペア:

[(1, 89872615), (5, 17974523), (7, 12838945), (23, 3907505), (35, 2567789), (41, 2192015), (49, 1834135), (115, 781501), (161, 558215), (205, 438403), (245, 366827), (287, 313145), (389, 231035), (805, 111643), (943, 95305), (1127, 79745), (1435, 62629), (1945, 46207), (2009, 44735), (2723, 33005), (4715, 19061), (5635, 15949), (6601, 13615), (8947, 10045)]