211320655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5879}}^1$

素因数の和:5983

約数の個数: 32

約数和(自身を含む): 316108800

約数和(自身を除く): 104788145

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 5135, 5879, 7189, 29395, 35945, 41153, 76427, 205765, 382135, 464441, 534989, 2322205, 2674945, 3251087, 6037733, 16255435, 30188665, 42264131, 211320655]

約数ペア:

[(1, 211320655), (5, 42264131), (7, 30188665), (13, 16255435), (35, 6037733), (65, 3251087), (79, 2674945), (91, 2322205), (395, 534989), (455, 464441), (553, 382135), (1027, 205765), (2765, 76427), (5135, 41153), (5879, 35945), (7189, 29395)]