31867472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 77911680

約数和(自身を除く): 46044208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 509, 559, 602, 688, 728, 1018, 1118, 1204, 1456, 2036, 2236, 2408, 3563, 3913, 4072, 4472, 4816, 6617, 7126, 7826, 8144, 8944, 13234, 14252, 15652, 21887, 26468, 28504, 31304, 43774, 46319, 52936, 57008, 62608, 87548, 92638, 105872, 153209, 175096, 185276, 284531, 306418, 350192, 370552, 569062, 612836, 741104, 1138124, 1225672, 1991717, 2276248, 2451344, 3983434, 4552496, 7966868, 15933736, 31867472]

約数ペア:

[(1, 31867472), (2, 15933736), (4, 7966868), (7, 4552496), (8, 3983434), (13, 2451344), (14, 2276248), (16, 1991717), (26, 1225672), (28, 1138124), (43, 741104), (52, 612836), (56, 569062), (86, 370552), (91, 350192), (104, 306418), (112, 284531), (172, 185276), (182, 175096), (208, 153209), (301, 105872), (344, 92638), (364, 87548), (509, 62608), (559, 57008), (602, 52936), (688, 46319), (728, 43774), (1018, 31304), (1118, 28504), (1204, 26468), (1456, 21887), (2036, 15652), (2236, 14252), (2408, 13234), (3563, 8944), (3913, 8144), (4072, 7826), (4472, 7126), (4816, 6617)]