15721368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 43394400

約数和(自身を除く): 27673032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1229, 1599, 2132, 2458, 3198, 3687, 4264, 4916, 6396, 7374, 9832, 12792, 14748, 15977, 29496, 31954, 47931, 50389, 63908, 95862, 100778, 127816, 151167, 191724, 201556, 302334, 383448, 403112, 604668, 655057, 1209336, 1310114, 1965171, 2620228, 3930342, 5240456, 7860684, 15721368]

約数ペア:

[(1, 15721368), (2, 7860684), (3, 5240456), (4, 3930342), (6, 2620228), (8, 1965171), (12, 1310114), (13, 1209336), (24, 655057), (26, 604668), (39, 403112), (41, 383448), (52, 302334), (78, 201556), (82, 191724), (104, 151167), (123, 127816), (156, 100778), (164, 95862), (246, 63908), (312, 50389), (328, 47931), (492, 31954), (533, 29496), (984, 15977), (1066, 14748), (1229, 12792), (1599, 9832), (2132, 7374), (2458, 6396), (3198, 4916), (3687, 4264)]