28781766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2617}}^1$

素因数の和:2685

約数の個数: 48

約数和(自身を含む): 68612544

約数和(自身を除く): 39830778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 2617, 3666, 5234, 5499, 7851, 10998, 15702, 23553, 34021, 47106, 68042, 102063, 122999, 204126, 245998, 306189, 368997, 612378, 737994, 1106991, 1598987, 2213982, 3197974, 4796961, 9593922, 14390883, 28781766]

約数ペア:

[(1, 28781766), (2, 14390883), (3, 9593922), (6, 4796961), (9, 3197974), (13, 2213982), (18, 1598987), (26, 1106991), (39, 737994), (47, 612378), (78, 368997), (94, 306189), (117, 245998), (141, 204126), (234, 122999), (282, 102063), (423, 68042), (611, 47106), (846, 34021), (1222, 23553), (1833, 15702), (2617, 10998), (3666, 7851), (5234, 5499)]