815458

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 24

約数和(自身を含む): 1458972

約数和(自身を除く): 643514

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 157, 314, 371, 742, 1099, 2198, 2597, 5194, 7693, 8321, 15386, 16642, 58247, 116494, 407729, 815458]

約数ペア:

[(1, 815458), (2, 407729), (7, 116494), (14, 58247), (49, 16642), (53, 15386), (98, 8321), (106, 7693), (157, 5194), (314, 2597), (371, 2198), (742, 1099)]