28122556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 38937668

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 41, 44, 68, 77, 82, 119, 131, 154, 164, 187, 238, 262, 287, 308, 374, 451, 476, 524, 574, 697, 748, 902, 917, 1148, 1309, 1394, 1441, 1804, 1834, 2227, 2618, 2788, 2882, 3157, 3668, 4454, 4879, 5236, 5371, 5764, 6314, 7667, 8908, 9758, 10087, 10742, 12628, 15334, 15589, 19516, 20174, 21484, 24497, 30668, 31178, 37597, 40348, 48994, 53669, 59081, 62356, 75194, 91307, 97988, 107338, 118162, 150388, 171479, 182614, 214676, 236324, 342958, 365228, 413567, 639149, 685916, 827134, 1004377, 1278298, 1654268, 2008754, 2556596, 4017508, 7030639, 14061278, 28122556]

約数ペア:

[(1, 28122556), (2, 14061278), (4, 7030639), (7, 4017508), (11, 2556596), (14, 2008754), (17, 1654268), (22, 1278298), (28, 1004377), (34, 827134), (41, 685916), (44, 639149), (68, 413567), (77, 365228), (82, 342958), (119, 236324), (131, 214676), (154, 182614), (164, 171479), (187, 150388), (238, 118162), (262, 107338), (287, 97988), (308, 91307), (374, 75194), (451, 62356), (476, 59081), (524, 53669), (574, 48994), (697, 40348), (748, 37597), (902, 31178), (917, 30668), (1148, 24497), (1309, 21484), (1394, 20174), (1441, 19516), (1804, 15589), (1834, 15334), (2227, 12628), (2618, 10742), (2788, 10087), (2882, 9758), (3157, 8908), (3668, 7667), (4454, 6314), (4879, 5764), (5236, 5371)]