401519324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 756930720

約数和(自身を除く): 355411396

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 257, 337, 514, 674, 1028, 1159, 1348, 2318, 4636, 4883, 6403, 9766, 12806, 15677, 19532, 20557, 25612, 31354, 41114, 62708, 82228, 86609, 173218, 297863, 346436, 390583, 595726, 781166, 1191452, 1562332, 1645571, 3291142, 5283149, 6582284, 10566298, 21132596, 100379831, 200759662, 401519324]

約数ペア:

[(1, 401519324), (2, 200759662), (4, 100379831), (19, 21132596), (38, 10566298), (61, 6582284), (76, 5283149), (122, 3291142), (244, 1645571), (257, 1562332), (337, 1191452), (514, 781166), (674, 595726), (1028, 390583), (1159, 346436), (1348, 297863), (2318, 173218), (4636, 86609), (4883, 82228), (6403, 62708), (9766, 41114), (12806, 31354), (15677, 25612), (19532, 20557)]