28913185

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 42278400

約数和(自身を除く): 13365215

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 733, 805, 1127, 1715, 3665, 5131, 5635, 7889, 16859, 25655, 35917, 39445, 84295, 118013, 179585, 251419, 590065, 826091, 1257095, 4130455, 5782637, 28913185]

約数ペア:

[(1, 28913185), (5, 5782637), (7, 4130455), (23, 1257095), (35, 826091), (49, 590065), (115, 251419), (161, 179585), (245, 118013), (343, 84295), (733, 39445), (805, 35917), (1127, 25655), (1715, 16859), (3665, 7889), (5131, 5635)]