28317978

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 71150400

約数和(自身を除く): 42832422

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 87, 107, 117, 169, 174, 214, 234, 261, 321, 338, 351, 377, 507, 522, 642, 702, 754, 783, 963, 1014, 1131, 1391, 1521, 1566, 1926, 2262, 2782, 2889, 3042, 3103, 3393, 4173, 4563, 4901, 5778, 6206, 6786, 8346, 9126, 9309, 9802, 10179, 12519, 14703, 18083, 18618, 20358, 25038, 27927, 29406, 36166, 37557, 40339, 44109, 54249, 55854, 75114, 80678, 83781, 88218, 108498, 121017, 132327, 162747, 167562, 242034, 264654, 325494, 363051, 488241, 524407, 726102, 976482, 1048814, 1089153, 1573221, 2178306, 3146442, 4719663, 9439326, 14158989, 28317978]

約数ペア:

[(1, 28317978), (2, 14158989), (3, 9439326), (6, 4719663), (9, 3146442), (13, 2178306), (18, 1573221), (26, 1089153), (27, 1048814), (29, 976482), (39, 726102), (54, 524407), (58, 488241), (78, 363051), (87, 325494), (107, 264654), (117, 242034), (169, 167562), (174, 162747), (214, 132327), (234, 121017), (261, 108498), (321, 88218), (338, 83781), (351, 80678), (377, 75114), (507, 55854), (522, 54249), (642, 44109), (702, 40339), (754, 37557), (783, 36166), (963, 29406), (1014, 27927), (1131, 25038), (1391, 20358), (1521, 18618), (1566, 18083), (1926, 14703), (2262, 12519), (2782, 10179), (2889, 9802), (3042, 9309), (3103, 9126), (3393, 8346), (4173, 6786), (4563, 6206), (4901, 5778)]