31491208

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1741}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 75254400

約数和(自身を除く): 43763192

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 1741, 2261, 2584, 3482, 4522, 6964, 9044, 12187, 13928, 18088, 24374, 29597, 33079, 48748, 59194, 66158, 97496, 118388, 132316, 207179, 231553, 236776, 264632, 414358, 463106, 562343, 828716, 926212, 1124686, 1657432, 1852424, 2249372, 3936401, 4498744, 7872802, 15745604, 31491208]

約数ペア:

[(1, 31491208), (2, 15745604), (4, 7872802), (7, 4498744), (8, 3936401), (14, 2249372), (17, 1852424), (19, 1657432), (28, 1124686), (34, 926212), (38, 828716), (56, 562343), (68, 463106), (76, 414358), (119, 264632), (133, 236776), (136, 231553), (152, 207179), (238, 132316), (266, 118388), (323, 97496), (476, 66158), (532, 59194), (646, 48748), (952, 33079), (1064, 29597), (1292, 24374), (1741, 18088), (2261, 13928), (2584, 12187), (3482, 9044), (4522, 6964)]