656414241

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 1043729280

約数和(自身を除く): 387315039

約数列:

[1, 3, 7, 21, 49, 71, 109, 147, 213, 327, 497, 577, 763, 1491, 1731, 2289, 3479, 4039, 5341, 7739, 10437, 12117, 16023, 23217, 28273, 40967, 54173, 62893, 84819, 122901, 162519, 188679, 286769, 379211, 440251, 860307, 1137633, 1320753, 2007383, 3081757, 4465403, 6022149, 9245271, 13396209, 31257821, 93773463, 218804747, 656414241]

約数ペア:

[(1, 656414241), (3, 218804747), (7, 93773463), (21, 31257821), (49, 13396209), (71, 9245271), (109, 6022149), (147, 4465403), (213, 3081757), (327, 2007383), (497, 1320753), (577, 1137633), (763, 860307), (1491, 440251), (1731, 379211), (2289, 286769), (3479, 188679), (4039, 162519), (5341, 122901), (7739, 84819), (10437, 62893), (12117, 54173), (16023, 40967), (23217, 28273)]