29971928

素因数分解:

$2^3\times 7^2\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 65923920

約数和(自身を除く): 35951992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 314, 392, 487, 628, 974, 1099, 1256, 1948, 2198, 3409, 3896, 4396, 6818, 7693, 8792, 13636, 15386, 23863, 27272, 30772, 47726, 61544, 76459, 95452, 152918, 190904, 305836, 535213, 611672, 1070426, 2140852, 3746491, 4281704, 7492982, 14985964, 29971928]

約数ペア:

[(1, 29971928), (2, 14985964), (4, 7492982), (7, 4281704), (8, 3746491), (14, 2140852), (28, 1070426), (49, 611672), (56, 535213), (98, 305836), (157, 190904), (196, 152918), (314, 95452), (392, 76459), (487, 61544), (628, 47726), (974, 30772), (1099, 27272), (1256, 23863), (1948, 15386), (2198, 13636), (3409, 8792), (3896, 7693), (4396, 6818)]