206828028

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1277}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 572186160

約数和(自身を除く): 365358132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 409, 818, 1227, 1277, 1636, 2454, 2554, 3681, 3831, 4499, 4908, 5108, 7362, 7662, 8998, 11493, 13497, 14047, 14724, 15324, 17996, 22986, 26994, 28094, 40491, 42141, 45972, 53988, 56188, 80982, 84282, 126423, 161964, 168564, 252846, 505692, 522293, 1044586, 1566879, 2089172, 3133758, 4700637, 5745223, 6267516, 9401274, 11490446, 17235669, 18802548, 22980892, 34471338, 51707007, 68942676, 103414014, 206828028]

約数ペア:

[(1, 206828028), (2, 103414014), (3, 68942676), (4, 51707007), (6, 34471338), (9, 22980892), (11, 18802548), (12, 17235669), (18, 11490446), (22, 9401274), (33, 6267516), (36, 5745223), (44, 4700637), (66, 3133758), (99, 2089172), (132, 1566879), (198, 1044586), (396, 522293), (409, 505692), (818, 252846), (1227, 168564), (1277, 161964), (1636, 126423), (2454, 84282), (2554, 80982), (3681, 56188), (3831, 53988), (4499, 45972), (4908, 42141), (5108, 40491), (7362, 28094), (7662, 26994), (8998, 22986), (11493, 17996), (13497, 15324), (14047, 14724)]