16540398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 41198976

約数和(自身を除く): 24658578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 251, 502, 523, 753, 1046, 1506, 1569, 1757, 2259, 3138, 3514, 3661, 4518, 4707, 5271, 7322, 9414, 10542, 10983, 15813, 21966, 31626, 32949, 65898, 131273, 262546, 393819, 787638, 918911, 1181457, 1837822, 2362914, 2756733, 5513466, 8270199, 16540398]

約数ペア:

[(1, 16540398), (2, 8270199), (3, 5513466), (6, 2756733), (7, 2362914), (9, 1837822), (14, 1181457), (18, 918911), (21, 787638), (42, 393819), (63, 262546), (126, 131273), (251, 65898), (502, 32949), (523, 31626), (753, 21966), (1046, 15813), (1506, 10983), (1569, 10542), (1757, 9414), (2259, 7322), (3138, 5271), (3514, 4707), (3661, 4518)]