28931994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1084

約数の個数: 96

約数和(自身を含む): 81768960

約数和(自身を除く): 52836966

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 182, 221, 234, 238, 273, 306, 357, 442, 546, 663, 714, 819, 1039, 1071, 1326, 1547, 1638, 1989, 2078, 2142, 3094, 3117, 3978, 4641, 6234, 7273, 9282, 9351, 13507, 13923, 14546, 17663, 18702, 21819, 27014, 27846, 35326, 40521, 43638, 52989, 65457, 81042, 94549, 105978, 121563, 123641, 130914, 158967, 189098, 229619, 243126, 247282, 283647, 317934, 370923, 459238, 567294, 688857, 741846, 850941, 1112769, 1377714, 1607333, 1701882, 2066571, 2225538, 3214666, 4133142, 4821999, 9643998, 14465997, 28931994]

約数ペア:

[(1, 28931994), (2, 14465997), (3, 9643998), (6, 4821999), (7, 4133142), (9, 3214666), (13, 2225538), (14, 2066571), (17, 1701882), (18, 1607333), (21, 1377714), (26, 1112769), (34, 850941), (39, 741846), (42, 688857), (51, 567294), (63, 459238), (78, 370923), (91, 317934), (102, 283647), (117, 247282), (119, 243126), (126, 229619), (153, 189098), (182, 158967), (221, 130914), (234, 123641), (238, 121563), (273, 105978), (306, 94549), (357, 81042), (442, 65457), (546, 52989), (663, 43638), (714, 40521), (819, 35326), (1039, 27846), (1071, 27014), (1326, 21819), (1547, 18702), (1638, 17663), (1989, 14546), (2078, 13923), (2142, 13507), (3094, 9351), (3117, 9282), (3978, 7273), (4641, 6234)]