121181728

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 248209920

約数和(自身を除く): 127028192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 151, 248, 302, 496, 604, 809, 992, 1208, 1618, 2416, 3236, 4681, 4832, 6472, 9362, 12944, 18724, 25079, 25888, 37448, 50158, 74896, 100316, 122159, 149792, 200632, 244318, 401264, 488636, 802528, 977272, 1954544, 3786929, 3909088, 7573858, 15147716, 30295432, 60590864, 121181728]

約数ペア:

[(1, 121181728), (2, 60590864), (4, 30295432), (8, 15147716), (16, 7573858), (31, 3909088), (32, 3786929), (62, 1954544), (124, 977272), (151, 802528), (248, 488636), (302, 401264), (496, 244318), (604, 200632), (809, 149792), (992, 122159), (1208, 100316), (1618, 74896), (2416, 50158), (3236, 37448), (4681, 25888), (4832, 25079), (6472, 18724), (9362, 12944)]