28745028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3653

約数の個数: 72

約数和(自身を含む): 82876248

約数和(自身を除く): 54131220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3613, 3978, 7226, 7956, 10839, 14452, 21678, 32517, 43356, 46969, 61421, 65034, 93938, 122842, 130068, 140907, 184263, 187876, 245684, 281814, 368526, 422721, 552789, 563628, 737052, 798473, 845442, 1105578, 1596946, 1690884, 2211156, 2395419, 3193892, 4790838, 7186257, 9581676, 14372514, 28745028]

約数ペア:

[(1, 28745028), (2, 14372514), (3, 9581676), (4, 7186257), (6, 4790838), (9, 3193892), (12, 2395419), (13, 2211156), (17, 1690884), (18, 1596946), (26, 1105578), (34, 845442), (36, 798473), (39, 737052), (51, 563628), (52, 552789), (68, 422721), (78, 368526), (102, 281814), (117, 245684), (153, 187876), (156, 184263), (204, 140907), (221, 130068), (234, 122842), (306, 93938), (442, 65034), (468, 61421), (612, 46969), (663, 43356), (884, 32517), (1326, 21678), (1989, 14452), (2652, 10839), (3613, 7956), (3978, 7226)]