28704546

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 67387320

約数和(自身を除く): 38682774

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 241, 482, 509, 723, 1018, 1446, 1527, 2169, 3054, 3133, 4338, 4581, 6266, 6617, 9162, 9399, 13234, 18798, 19851, 28197, 39702, 56394, 59553, 119106, 122669, 245338, 368007, 736014, 1104021, 1594697, 2208042, 3189394, 4784091, 9568182, 14352273, 28704546]

約数ペア:

[(1, 28704546), (2, 14352273), (3, 9568182), (6, 4784091), (9, 3189394), (13, 2208042), (18, 1594697), (26, 1104021), (39, 736014), (78, 368007), (117, 245338), (234, 122669), (241, 119106), (482, 59553), (509, 56394), (723, 39702), (1018, 28197), (1446, 19851), (1527, 18798), (2169, 13234), (3054, 9399), (3133, 9162), (4338, 6617), (4581, 6266)]