31878972

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 83655936

約数和(自身を除く): 51776964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 83, 94, 141, 166, 188, 227, 249, 282, 332, 423, 454, 498, 564, 681, 747, 846, 908, 996, 1362, 1494, 1692, 2043, 2724, 2988, 3901, 4086, 7802, 8172, 10669, 11703, 15604, 18841, 21338, 23406, 32007, 35109, 37682, 42676, 46812, 56523, 64014, 70218, 75364, 96021, 113046, 128028, 140436, 169569, 192042, 226092, 339138, 384084, 678276, 885527, 1771054, 2656581, 3542108, 5313162, 7969743, 10626324, 15939486, 31878972]

約数ペア:

[(1, 31878972), (2, 15939486), (3, 10626324), (4, 7969743), (6, 5313162), (9, 3542108), (12, 2656581), (18, 1771054), (36, 885527), (47, 678276), (83, 384084), (94, 339138), (141, 226092), (166, 192042), (188, 169569), (227, 140436), (249, 128028), (282, 113046), (332, 96021), (423, 75364), (454, 70218), (498, 64014), (564, 56523), (681, 46812), (747, 42676), (846, 37682), (908, 35109), (996, 32007), (1362, 23406), (1494, 21338), (1692, 18841), (2043, 15604), (2724, 11703), (2988, 10669), (3901, 8172), (4086, 7802)]