31697450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 63049536

約数和(自身を除く): 31352086

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 641, 989, 1075, 1150, 1282, 1978, 2150, 3205, 4945, 6410, 9890, 14743, 16025, 24725, 27563, 29486, 32050, 49450, 55126, 73715, 137815, 147430, 275630, 368575, 633949, 689075, 737150, 1267898, 1378150, 3169745, 6339490, 15848725, 31697450]

約数ペア:

[(1, 31697450), (2, 15848725), (5, 6339490), (10, 3169745), (23, 1378150), (25, 1267898), (43, 737150), (46, 689075), (50, 633949), (86, 368575), (115, 275630), (215, 147430), (230, 137815), (430, 73715), (575, 55126), (641, 49450), (989, 32050), (1075, 29486), (1150, 27563), (1282, 24725), (1978, 16025), (2150, 14743), (3205, 9890), (4945, 6410)]