161427455

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 243468288

約数和(自身を除く): 82040833

約数列:

[1, 5, 7, 23, 35, 41, 67, 73, 115, 161, 205, 287, 335, 365, 469, 511, 805, 943, 1435, 1541, 1679, 2345, 2555, 2747, 2993, 4715, 4891, 6601, 7705, 8395, 10787, 11753, 13735, 14965, 19229, 20951, 24455, 33005, 34237, 53935, 58765, 63181, 68839, 96145, 104755, 112493, 171185, 200531, 315905, 344195, 442267, 481873, 562465, 787451, 1002655, 1403717, 2211335, 2409365, 3937255, 4612213, 7018585, 23061065, 32285491, 161427455]

約数ペア:

[(1, 161427455), (5, 32285491), (7, 23061065), (23, 7018585), (35, 4612213), (41, 3937255), (67, 2409365), (73, 2211335), (115, 1403717), (161, 1002655), (205, 787451), (287, 562465), (335, 481873), (365, 442267), (469, 344195), (511, 315905), (805, 200531), (943, 171185), (1435, 112493), (1541, 104755), (1679, 96145), (2345, 68839), (2555, 63181), (2747, 58765), (2993, 53935), (4715, 34237), (4891, 33005), (6601, 24455), (7705, 20951), (8395, 19229), (10787, 14965), (11753, 13735)]