1978108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 3925096

約数和(自身を除く): 1946988

約数列:

[1, 2, 4, 11, 22, 44, 61, 67, 121, 122, 134, 242, 244, 268, 484, 671, 737, 1342, 1474, 2684, 2948, 4087, 7381, 8107, 8174, 14762, 16214, 16348, 29524, 32428, 44957, 89914, 179828, 494527, 989054, 1978108]

約数ペア:

[(1, 1978108), (2, 989054), (4, 494527), (11, 179828), (22, 89914), (44, 44957), (61, 32428), (67, 29524), (121, 16348), (122, 16214), (134, 14762), (242, 8174), (244, 8107), (268, 7381), (484, 4087), (671, 2948), (737, 2684), (1342, 1474)]