86461921

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 111528252

約数和(自身を除く): 25066331

約数列:

[1, 7, 13, 49, 53, 91, 169, 197, 371, 637, 689, 1183, 1379, 2561, 2597, 4823, 8281, 8957, 9653, 10441, 17927, 33293, 33761, 62699, 73087, 125489, 135733, 233051, 438893, 511609, 950131, 1631357, 1764529, 6650917, 12351703, 86461921]

約数ペア:

[(1, 86461921), (7, 12351703), (13, 6650917), (49, 1764529), (53, 1631357), (91, 950131), (169, 511609), (197, 438893), (371, 233051), (637, 135733), (689, 125489), (1183, 73087), (1379, 62699), (2561, 33761), (2597, 33293), (4823, 17927), (8281, 10441), (8957, 9653)]