313331330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 622768608

約数和(自身を除く): 309437278

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 137, 146, 241, 274, 365, 482, 685, 730, 949, 1205, 1370, 1781, 1898, 2410, 3133, 3562, 4745, 6266, 8905, 9490, 10001, 15665, 17593, 17810, 20002, 31330, 33017, 35186, 50005, 66034, 87965, 100010, 130013, 165085, 175930, 228709, 260026, 330170, 429221, 457418, 650065, 858442, 1143545, 1300130, 2146105, 2287090, 2410241, 4292210, 4820482, 12051205, 24102410, 31333133, 62666266, 156665665, 313331330]

約数ペア:

[(1, 313331330), (2, 156665665), (5, 62666266), (10, 31333133), (13, 24102410), (26, 12051205), (65, 4820482), (73, 4292210), (130, 2410241), (137, 2287090), (146, 2146105), (241, 1300130), (274, 1143545), (365, 858442), (482, 650065), (685, 457418), (730, 429221), (949, 330170), (1205, 260026), (1370, 228709), (1781, 175930), (1898, 165085), (2410, 130013), (3133, 100010), (3562, 87965), (4745, 66034), (6266, 50005), (8905, 35186), (9490, 33017), (10001, 31330), (15665, 20002), (17593, 17810)]