278768142

素因数分解:

$2^1\times 3^7\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 697144320

約数和(自身を除く): 418376178

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 81, 102, 138, 153, 162, 163, 207, 243, 306, 326, 391, 414, 459, 486, 489, 621, 729, 782, 918, 978, 1173, 1242, 1377, 1458, 1467, 1863, 2187, 2346, 2754, 2771, 2934, 3519, 3726, 3749, 4131, 4374, 4401, 5542, 5589, 7038, 7498, 8262, 8313, 8802, 10557, 11178, 11247, 12393, 13203, 16626, 16767, 21114, 22494, 24786, 24939, 26406, 31671, 33534, 33741, 37179, 39609, 49878, 50301, 63342, 63733, 67482, 74358, 74817, 79218, 95013, 100602, 101223, 118827, 127466, 149634, 190026, 191199, 202446, 224451, 237654, 285039, 303669, 356481, 382398, 448902, 570078, 573597, 607338, 673353, 712962, 855117, 911007, 1147194, 1346706, 1710234, 1720791, 1822014, 2020059, 2733021, 3441582, 4040118, 5162373, 5466042, 6060177, 8199063, 10324746, 12120354, 15487119, 16398126, 30974238, 46461357, 92922714, 139384071, 278768142]

約数ペア:

[(1, 278768142), (2, 139384071), (3, 92922714), (6, 46461357), (9, 30974238), (17, 16398126), (18, 15487119), (23, 12120354), (27, 10324746), (34, 8199063), (46, 6060177), (51, 5466042), (54, 5162373), (69, 4040118), (81, 3441582), (102, 2733021), (138, 2020059), (153, 1822014), (162, 1720791), (163, 1710234), (207, 1346706), (243, 1147194), (306, 911007), (326, 855117), (391, 712962), (414, 673353), (459, 607338), (486, 573597), (489, 570078), (621, 448902), (729, 382398), (782, 356481), (918, 303669), (978, 285039), (1173, 237654), (1242, 224451), (1377, 202446), (1458, 191199), (1467, 190026), (1863, 149634), (2187, 127466), (2346, 118827), (2754, 101223), (2771, 100602), (2934, 95013), (3519, 79218), (3726, 74817), (3749, 74358), (4131, 67482), (4374, 63733), (4401, 63342), (5542, 50301), (5589, 49878), (7038, 39609), (7498, 37179), (8262, 33741), (8313, 33534), (8802, 31671), (10557, 26406), (11178, 24939), (11247, 24786), (12393, 22494), (13203, 21114), (16626, 16767)]