28261548

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:773

約数の個数: 120

約数和(自身を含む): 89524512

約数和(自身を除く): 61262964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 357, 378, 459, 476, 567, 612, 714, 733, 756, 918, 1071, 1134, 1377, 1428, 1466, 1836, 2142, 2199, 2268, 2754, 2932, 3213, 4284, 4398, 5131, 5508, 6426, 6597, 8796, 9639, 10262, 12461, 12852, 13194, 15393, 19278, 19791, 20524, 24922, 26388, 30786, 37383, 38556, 39582, 46179, 49844, 59373, 61572, 74766, 79164, 87227, 92358, 112149, 118746, 138537, 149532, 174454, 184716, 224298, 237492, 261681, 277074, 336447, 348908, 415611, 448596, 523362, 554148, 672894, 785043, 831222, 1009341, 1046724, 1345788, 1570086, 1662444, 2018682, 2355129, 3140172, 4037364, 4710258, 7065387, 9420516, 14130774, 28261548]

約数ペア:

[(1, 28261548), (2, 14130774), (3, 9420516), (4, 7065387), (6, 4710258), (7, 4037364), (9, 3140172), (12, 2355129), (14, 2018682), (17, 1662444), (18, 1570086), (21, 1345788), (27, 1046724), (28, 1009341), (34, 831222), (36, 785043), (42, 672894), (51, 554148), (54, 523362), (63, 448596), (68, 415611), (81, 348908), (84, 336447), (102, 277074), (108, 261681), (119, 237492), (126, 224298), (153, 184716), (162, 174454), (189, 149532), (204, 138537), (238, 118746), (252, 112149), (306, 92358), (324, 87227), (357, 79164), (378, 74766), (459, 61572), (476, 59373), (567, 49844), (612, 46179), (714, 39582), (733, 38556), (756, 37383), (918, 30786), (1071, 26388), (1134, 24922), (1377, 20524), (1428, 19791), (1466, 19278), (1836, 15393), (2142, 13194), (2199, 12852), (2268, 12461), (2754, 10262), (2932, 9639), (3213, 8796), (4284, 6597), (4398, 6426), (5131, 5508)]