28744248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 77968800

約数和(自身を除く): 49224552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 181, 312, 362, 509, 543, 724, 1018, 1086, 1448, 1527, 2036, 2172, 2353, 3054, 4072, 4344, 4706, 6108, 6617, 7059, 9412, 12216, 13234, 14118, 18824, 19851, 26468, 28236, 39702, 52936, 56472, 79404, 92129, 158808, 184258, 276387, 368516, 552774, 737032, 1105548, 1197677, 2211096, 2395354, 3593031, 4790708, 7186062, 9581416, 14372124, 28744248]

約数ペア:

[(1, 28744248), (2, 14372124), (3, 9581416), (4, 7186062), (6, 4790708), (8, 3593031), (12, 2395354), (13, 2211096), (24, 1197677), (26, 1105548), (39, 737032), (52, 552774), (78, 368516), (104, 276387), (156, 184258), (181, 158808), (312, 92129), (362, 79404), (509, 56472), (543, 52936), (724, 39702), (1018, 28236), (1086, 26468), (1448, 19851), (1527, 18824), (2036, 14118), (2172, 13234), (2353, 12216), (3054, 9412), (4072, 7059), (4344, 6617), (4706, 6108)]