491589972

素因数分解:

$2^2\times 3^5\times {\mathrm{61}}^1\times {\mathrm{8291}}^1$

素因数の和:8371

約数の個数: 72

約数和(自身を含む): 1309936992

約数和(自身を除く): 818347020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 324, 366, 486, 549, 732, 972, 1098, 1647, 2196, 3294, 4941, 6588, 8291, 9882, 14823, 16582, 19764, 24873, 29646, 33164, 49746, 59292, 74619, 99492, 149238, 223857, 298476, 447714, 505751, 671571, 895428, 1011502, 1343142, 1517253, 2014713, 2023004, 2686284, 3034506, 4029426, 4551759, 6069012, 8058852, 9103518, 13655277, 18207036, 27310554, 40965831, 54621108, 81931662, 122897493, 163863324, 245794986, 491589972]

約数ペア:

[(1, 491589972), (2, 245794986), (3, 163863324), (4, 122897493), (6, 81931662), (9, 54621108), (12, 40965831), (18, 27310554), (27, 18207036), (36, 13655277), (54, 9103518), (61, 8058852), (81, 6069012), (108, 4551759), (122, 4029426), (162, 3034506), (183, 2686284), (243, 2023004), (244, 2014713), (324, 1517253), (366, 1343142), (486, 1011502), (549, 895428), (732, 671571), (972, 505751), (1098, 447714), (1647, 298476), (2196, 223857), (3294, 149238), (4941, 99492), (6588, 74619), (8291, 59292), (9882, 49746), (14823, 33164), (16582, 29646), (19764, 24873)]