17994613

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 23657508

約数和(自身を除く): 5662895

約数列:

[1, 7, 13, 41, 49, 53, 91, 169, 287, 371, 533, 637, 689, 1183, 2009, 2173, 2597, 3731, 4823, 6929, 8281, 8957, 15211, 26117, 28249, 33761, 48503, 62699, 106477, 197743, 339521, 367237, 438893, 1384201, 2570659, 17994613]

約数ペア:

[(1, 17994613), (7, 2570659), (13, 1384201), (41, 438893), (49, 367237), (53, 339521), (91, 197743), (169, 106477), (287, 62699), (371, 48503), (533, 33761), (637, 28249), (689, 26117), (1183, 15211), (2009, 8957), (2173, 8281), (2597, 6929), (3731, 4823)]