31683488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 69471360

約数和(自身を除く): 37787872

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 41, 62, 76, 82, 124, 152, 164, 248, 304, 328, 496, 589, 608, 656, 779, 992, 1178, 1271, 1312, 1558, 1681, 2356, 2542, 3116, 3362, 4712, 5084, 6232, 6724, 9424, 10168, 12464, 13448, 18848, 20336, 24149, 24928, 26896, 31939, 40672, 48298, 52111, 53792, 63878, 96596, 104222, 127756, 193192, 208444, 255512, 386384, 416888, 511024, 772768, 833776, 990109, 1022048, 1667552, 1980218, 3960436, 7920872, 15841744, 31683488]

約数ペア:

[(1, 31683488), (2, 15841744), (4, 7920872), (8, 3960436), (16, 1980218), (19, 1667552), (31, 1022048), (32, 990109), (38, 833776), (41, 772768), (62, 511024), (76, 416888), (82, 386384), (124, 255512), (152, 208444), (164, 193192), (248, 127756), (304, 104222), (328, 96596), (496, 63878), (589, 53792), (608, 52111), (656, 48298), (779, 40672), (992, 31939), (1178, 26896), (1271, 24928), (1312, 24149), (1558, 20336), (1681, 18848), (2356, 13448), (2542, 12464), (3116, 10168), (3362, 9424), (4712, 6724), (5084, 6232)]