28410928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 72614400

約数和(自身を除く): 44203472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 79, 91, 104, 112, 133, 152, 158, 169, 182, 208, 247, 266, 304, 316, 338, 364, 494, 532, 553, 632, 676, 728, 988, 1027, 1064, 1106, 1183, 1264, 1352, 1456, 1501, 1729, 1976, 2054, 2128, 2212, 2366, 2704, 3002, 3211, 3458, 3952, 4108, 4424, 4732, 6004, 6422, 6916, 7189, 8216, 8848, 9464, 10507, 12008, 12844, 13351, 13832, 14378, 16432, 18928, 19513, 21014, 22477, 24016, 25688, 26702, 27664, 28756, 39026, 42028, 44954, 51376, 53404, 57512, 78052, 84056, 89908, 93457, 106808, 115024, 136591, 156104, 168112, 179816, 186914, 213616, 253669, 273182, 312208, 359632, 373828, 507338, 546364, 747656, 1014676, 1092728, 1495312, 1775683, 2029352, 2185456, 3551366, 4058704, 7102732, 14205464, 28410928]

約数ペア:

[(1, 28410928), (2, 14205464), (4, 7102732), (7, 4058704), (8, 3551366), (13, 2185456), (14, 2029352), (16, 1775683), (19, 1495312), (26, 1092728), (28, 1014676), (38, 747656), (52, 546364), (56, 507338), (76, 373828), (79, 359632), (91, 312208), (104, 273182), (112, 253669), (133, 213616), (152, 186914), (158, 179816), (169, 168112), (182, 156104), (208, 136591), (247, 115024), (266, 106808), (304, 93457), (316, 89908), (338, 84056), (364, 78052), (494, 57512), (532, 53404), (553, 51376), (632, 44954), (676, 42028), (728, 39026), (988, 28756), (1027, 27664), (1064, 26702), (1106, 25688), (1183, 24016), (1264, 22477), (1352, 21014), (1456, 19513), (1501, 18928), (1729, 16432), (1976, 14378), (2054, 13832), (2128, 13351), (2212, 12844), (2366, 12008), (2704, 10507), (3002, 9464), (3211, 8848), (3458, 8216), (3952, 7189), (4108, 6916), (4424, 6422), (4732, 6004)]