28199535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 56491008

約数和(自身を除く): 28291473

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 219, 273, 283, 365, 455, 511, 849, 949, 1095, 1365, 1415, 1533, 1981, 2555, 2847, 3679, 4245, 4745, 5943, 6643, 7665, 9905, 11037, 14235, 18395, 19929, 20659, 25753, 29715, 33215, 55185, 61977, 77259, 99645, 103295, 128765, 144613, 268567, 309885, 386295, 433839, 723065, 805701, 1342835, 1879969, 2169195, 4028505, 5639907, 9399845, 28199535]

約数ペア:

[(1, 28199535), (3, 9399845), (5, 5639907), (7, 4028505), (13, 2169195), (15, 1879969), (21, 1342835), (35, 805701), (39, 723065), (65, 433839), (73, 386295), (91, 309885), (105, 268567), (195, 144613), (219, 128765), (273, 103295), (283, 99645), (365, 77259), (455, 61977), (511, 55185), (849, 33215), (949, 29715), (1095, 25753), (1365, 20659), (1415, 19929), (1533, 18395), (1981, 14235), (2555, 11037), (2847, 9905), (3679, 7665), (4245, 6643), (4745, 5943)]