291519928

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{98221}}^1$

素因数の和:98287

約数の個数: 32

約数和(自身を含む): 636478560

約数和(自身を除く): 344958632

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 98221, 196442, 392884, 687547, 785768, 1375094, 2750188, 5205713, 5500376, 10411426, 20822852, 36439991, 41645704, 72879982, 145759964, 291519928]

約数ペア:

[(1, 291519928), (2, 145759964), (4, 72879982), (7, 41645704), (8, 36439991), (14, 20822852), (28, 10411426), (53, 5500376), (56, 5205713), (106, 2750188), (212, 1375094), (371, 785768), (424, 687547), (742, 392884), (1484, 196442), (2968, 98221)]