2156804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 4468800

約数和(自身を除く): 2311996

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 59, 74, 76, 118, 148, 236, 247, 481, 494, 703, 767, 962, 988, 1121, 1406, 1534, 1924, 2183, 2242, 2812, 3068, 4366, 4484, 8732, 9139, 14573, 18278, 28379, 29146, 36556, 41477, 56758, 58292, 82954, 113516, 165908, 539201, 1078402, 2156804]

約数ペア:

[(1, 2156804), (2, 1078402), (4, 539201), (13, 165908), (19, 113516), (26, 82954), (37, 58292), (38, 56758), (52, 41477), (59, 36556), (74, 29146), (76, 28379), (118, 18278), (148, 14573), (236, 9139), (247, 8732), (481, 4484), (494, 4366), (703, 3068), (767, 2812), (962, 2242), (988, 2183), (1121, 1924), (1406, 1534)]